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102433920 = 2735311721
BaseRepresentation
bin1100001101100…
…00010010000000
321010202011220220
412012300102000
5202210341140
614055303040
72352450111
oct606602200
9233664826
10102433920
1152904136
122a37aa80
13182b65b4
14d866208
158ed5bd0
hex61b0480

102433920 has 128 divisors (see below), whose sum is σ = 337236480. Its totient is φ = 26419200.

The previous prime is 102433907. The next prime is 102433937. The reversal of 102433920 is 29334201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58660 + ... + 60380.

It is an arithmetic number, because the mean of its divisors is an integer number (2634660).

Almost surely, 2102433920 is an apocalyptic number.

102433920 is a gapful number since it is divisible by the number (10) 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 102433920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168618240).

102433920 is an abundant number, since it is smaller than the sum of its proper divisors (234802560).

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

102433920 is a wasteful number, since it uses less digits than its factorization.

102433920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 102433920 is about 10120.9643809273. The cubic root of 102433920 is about 467.8944900580.

The spelling of 102433920 in words is "one hundred two million, four hundred thirty-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 310 320 372 384 465 480 496 620 640 744 930 960 992 1240 1488 1721 1860 1920 1984 2480 2976 3442 3720 3968 4960 5163 5952 6884 7440 8605 9920 10326 11904 13768 14880 17210 19840 20652 25815 27536 29760 34420 41304 51630 53351 55072 59520 68840 82608 103260 106702 110144 137680 160053 165216 206520 213404 220288 266755 275360 320106 330432 413040 426808 533510 550720 640212 660864 800265 826080 853616 1067020 1101440 1280424 1600530 1652160 1707232 2134040 2560848 3201060 3304320 3414464 4268080 5121696 6402120 6828928 8536160 10243392 12804240 17072320 20486784 25608480 34144640 51216960 102433920