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56743469 is a prime number
BaseRepresentation
bin1101100001110…
…1011000101101
310221202212101222
43120131120231
5104011242334
65344113125
71256211566
oct330353055
9127685358
1056743469
112a037232
12170057a5
13b9a9923
14777116d
154eacd2e
hex361d62d

56743469 has 2 divisors, whose sum is σ = 56743470. Its totient is φ = 56743468.

The previous prime is 56743451. The next prime is 56743471. The reversal of 56743469 is 96434765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28494244 + 28249225 = 5338^2 + 5315^2 .

It is a cyclic number.

It is not a de Polignac number, because 56743469 - 28 = 56743213 is a prime.

It is a super-2 number, since 2×567434692 = 6439642548307922, which contains 22 as substring.

Together with 56743471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28371734 + 28371735.

It is an arithmetic number, because the mean of its divisors is an integer number (28371735).

Almost surely, 256743469 is an apocalyptic number.

It is an amenable number.

56743469 is a deficient number, since it is larger than the sum of its proper divisors (1).

56743469 is an equidigital number, since it uses as much as digits as its factorization.

56743469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 56743469 is about 7532.8260964926. The cubic root of 56743469 is about 384.2718998957.

The spelling of 56743469 in words is "fifty-six million, seven hundred forty-three thousand, four hundred sixty-nine".