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10788961 = 31348031
BaseRepresentation
bin101001001010…
…000001100001
3202022010200011
4221022001201
510230221321
61023124521
7160463461
oct51120141
922263604
1010788961
1160a99a7
123743741
132309a01
14160bba1
15e31ae1
hexa4a061

10788961 has 4 divisors (see below), whose sum is σ = 11137024. Its totient is φ = 10440900.

The previous prime is 10788959. The next prime is 10788971. The reversal of 10788961 is 16988701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16988701 = 31354277.

It is a cyclic number.

It is not a de Polignac number, because 10788961 - 21 = 10788959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10788971) 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, 173985 + ... + 174046.

It is an arithmetic number, because the mean of its divisors is an integer number (2784256).

Almost surely, 210788961 is an apocalyptic number.

It is an amenable number.

10788961 is a deficient number, since it is larger than the sum of its proper divisors (348063).

10788961 is an equidigital number, since it uses as much as digits as its factorization.

10788961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348062.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 10788961 is about 3284.6553852726. The cubic root of 10788961 is about 220.9665530896.

The spelling of 10788961 in words is "ten million, seven hundred eighty-eight thousand, nine hundred sixty-one".

Divisors: 1 31 348031 10788961