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102387792 = 24313316779
BaseRepresentation
bin1100001101001…
…01000001010000
321010122211122110
412012211001100
5202202402132
614054305320
72352165453
oct606450120
9233584573
10102387792
1152882511
122a358240
131829b5c0
14d85349a
158ec71cc
hex61a5050

102387792 has 160 divisors (see below), whose sum is σ = 302202880. Its totient is φ = 29652480.

The previous prime is 102387763. The next prime is 102387793. The reversal of 102387792 is 297783201.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 102387792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102387793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1296009 + ... + 1296087.

It is an arithmetic number, because the mean of its divisors is an integer number (1888768).

Almost surely, 2102387792 is an apocalyptic number.

102387792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102387792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151101440).

102387792 is an abundant number, since it is smaller than the sum of its proper divisors (199815088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102387792 is a wasteful number, since it uses less digits than its factorization.

102387792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 102387792 is about 10118.6852900957. The cubic root of 102387792 is about 467.8242454957.

The spelling of 102387792 in words is "one hundred two million, three hundred eighty-seven thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 31 39 48 52 62 67 78 79 93 104 124 134 156 158 186 201 208 237 248 268 312 316 372 402 403 474 496 536 624 632 744 804 806 871 948 1027 1072 1209 1264 1488 1608 1612 1742 1896 2054 2077 2418 2449 2613 3081 3216 3224 3484 3792 4108 4154 4836 4898 5226 5293 6162 6231 6448 6968 7347 8216 8308 9672 9796 10452 10586 12324 12462 13936 14694 15879 16432 16616 19344 19592 20904 21172 24648 24924 27001 29388 31758 31837 33232 39184 41808 42344 49296 49848 54002 58776 63516 63674 68809 81003 84688 95511 99696 108004 117552 127032 127348 137618 162006 164083 191022 206427 216008 254064 254696 275236 324012 328166 382044 412854 432016 492249 509392 550472 648024 656332 764088 825708 984498 1100944 1296048 1312664 1528176 1651416 1968996 2133079 2625328 3302832 3937992 4266158 6399237 7875984 8532316 12798474 17064632 25596948 34129264 51193896 102387792