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100793972 = 2225198493
BaseRepresentation
bin1100000000111…
…11111001110100
321000122212100002
412000133321310
5201300401342
614000210432
72332506656
oct600377164
9230585302
10100793972
1151994004
1229909a18
1317b61006
14d55a6d6
158caed32
hex601fe74

100793972 has 6 divisors (see below), whose sum is σ = 176389458. Its totient is φ = 50396984.

The previous prime is 100793971. The next prime is 100793983. The reversal of 100793972 is 279397001.

It can be written as a sum of positive squares in only one way, i.e., 99880036 + 913936 = 9994^2 + 956^2 .

It is a super-3 number, since 3×1007939723 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100793971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12599243 + ... + 12599250.

It is an arithmetic number, because the mean of its divisors is an integer number (29398243).

Almost surely, 2100793972 is an apocalyptic number.

It is an amenable number.

100793972 is a deficient number, since it is larger than the sum of its proper divisors (75595486).

100793972 is a wasteful number, since it uses less digits than its factorization.

100793972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25198497 (or 25198495 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 100793972 is about 10039.6201123349. The cubic root of 100793972 is about 465.3840770181.

The spelling of 100793972 in words is "one hundred million, seven hundred ninety-three thousand, nine hundred seventy-two".

Divisors: 1 2 4 25198493 50396986 100793972