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992256431 = 2934215739
BaseRepresentation
bin111011001001001…
…010000110101111
32120011002211221012
4323021022012233
54013004201211
6242243255435
733406016615
oct7311120657
92504084835
10992256431
1146a114a41
1223837a57b
1312a7586aa
1495ad36b5
155c1a1d8b
hex3b24a1af

992256431 has 4 divisors (see below), whose sum is σ = 1026472200. Its totient is φ = 958040664.

The previous prime is 992256413. The next prime is 992256449. The reversal of 992256431 is 134652299.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (992256413) and next prime (992256449).

It is a cyclic number.

It is not a de Polignac number, because 992256431 - 26 = 992256367 is a prime.

It is a super-2 number, since 2×9922564312 = 1969145649721715522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992252431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17107841 + ... + 17107898.

It is an arithmetic number, because the mean of its divisors is an integer number (256618050).

Almost surely, 2992256431 is an apocalyptic number.

992256431 is a deficient number, since it is larger than the sum of its proper divisors (34215769).

992256431 is a wasteful number, since it uses less digits than its factorization.

992256431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34215768.

The product of its digits is 116640, while the sum is 41.

The square root of 992256431 is about 31500.1020791997. The cubic root of 992256431 is about 997.4121189823.

The spelling of 992256431 in words is "nine hundred ninety-two million, two hundred fifty-six thousand, four hundred thirty-one".

Divisors: 1 29 34215739 992256431