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56432019 = 372687239
BaseRepresentation
bin1101011101000…
…1010110010011
310221012001011210
43113101112103
5103421311034
65333311203
71253443560
oct327212623
9127161153
1056432019
1129944236
1216a95503
13b8cac37
1476cd867
154e4a8e9
hex35d1593

56432019 has 8 divisors (see below), whose sum is σ = 85991680. Its totient is φ = 32246856.

The previous prime is 56432017. The next prime is 56432021. The reversal of 56432019 is 91023465.

It is an interprime number because it is at equal distance from previous prime (56432017) and next prime (56432021).

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

It is not a de Polignac number, because 56432019 - 21 = 56432017 is a prime.

It is a super-2 number, since 2×564320192 = 6369145536832722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56432011) 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, 1343599 + ... + 1343640.

It is an arithmetic number, because the mean of its divisors is an integer number (10748960).

Almost surely, 256432019 is an apocalyptic number.

56432019 is a deficient number, since it is larger than the sum of its proper divisors (29559661).

56432019 is a wasteful number, since it uses less digits than its factorization.

56432019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687249.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 56432019 is about 7512.1247992828. The cubic root of 56432019 is about 383.5675538142.

The spelling of 56432019 in words is "fifty-six million, four hundred thirty-two thousand, nineteen".

Divisors: 1 3 7 21 2687239 8061717 18810673 56432019