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101799072 = 2533591997
BaseRepresentation
bin1100001000101…
…01010010100000
321002112221002000
412010111102200
5202030032242
614033524000
72344164204
oct604252240
9232487060
10101799072
1152510171
122a113600
131812364b
14d73cb04
158e0ca4c
hex61154a0

101799072 has 96 divisors (see below), whose sum is σ = 302097600. Its totient is φ = 33341184.

The previous prime is 101799053. The next prime is 101799073. The reversal of 101799072 is 270997101.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1017990722 = 20726102120122368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (101799073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49978 + ... + 51974.

It is an arithmetic number, because the mean of its divisors is an integer number (3146850).

Almost surely, 2101799072 is an apocalyptic number.

101799072 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 101799072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151048800).

101799072 is an abundant number, since it is smaller than the sum of its proper divisors (200298528).

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

101799072 is a wasteful number, since it uses less digits than its factorization.

101799072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 101799072 is about 10089.5526164444. The cubic root of 101799072 is about 466.9258732325.

The spelling of 101799072 in words is "one hundred one million, seven hundred ninety-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 72 96 108 118 144 177 216 236 288 354 432 472 531 708 864 944 1062 1416 1593 1888 1997 2124 2832 3186 3994 4248 5664 5991 6372 7988 8496 11982 12744 15976 16992 17973 23964 25488 31952 35946 47928 50976 53919 63904 71892 95856 107838 117823 143784 191712 215676 235646 287568 353469 431352 471292 575136 706938 862704 942584 1060407 1413876 1725408 1885168 2120814 2827752 3181221 3770336 4241628 5655504 6362442 8483256 11311008 12724884 16966512 25449768 33933024 50899536 101799072