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100196831 = 761234653
BaseRepresentation
bin1011111100011…
…10000111011111
320222112112012202
411332032013133
5201122244311
613535322115
72324442020
oct576160737
9228475182
10100196831
11516163a9
122968033b
13179b2287
14d442c47
158be2e3b
hex5f8e1df

100196831 has 8 divisors (see below), whose sum is σ = 116388384. Its totient is φ = 84474720.

The previous prime is 100196821. The next prime is 100196849. The reversal of 100196831 is 138691001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100196831 is a prime.

It is a super-2 number, since 2×1001968312 = 20078809884885122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100196794 and 100196803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100196821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116900 + ... + 117753.

It is an arithmetic number, because the mean of its divisors is an integer number (14548548).

Almost surely, 2100196831 is an apocalyptic number.

100196831 is a deficient number, since it is larger than the sum of its proper divisors (16191553).

100196831 is an equidigital number, since it uses as much as digits as its factorization.

100196831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234721.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 100196831 is about 10009.8367119549. The cubic root of 100196831 is about 464.4632199628.

The spelling of 100196831 in words is "one hundred million, one hundred ninety-six thousand, eight hundred thirty-one".

Divisors: 1 7 61 427 234653 1642571 14313833 100196831