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56740542 = 239456757
BaseRepresentation
bin1101100001110…
…0101010111110
310221202201101120
43120130222332
5104011144132
65344051410
71256200215
oct330345276
9127681346
1056740542
112a035011
1217003b66
13b9a84b1
14777007c
154eac02c
hex361cabe

56740542 has 8 divisors (see below), whose sum is σ = 113481096. Its totient is φ = 18913512.

The previous prime is 56740529. The next prime is 56740549. The reversal of 56740542 is 24504765.

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

56740542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56740549) 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, 4728373 + ... + 4728384.

It is an arithmetic number, because the mean of its divisors is an integer number (14185137).

Almost surely, 256740542 is an apocalyptic number.

56740542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56740542 is a wasteful number, since it uses less digits than its factorization.

56740542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9456762.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 56740542 is about 7532.6318109941. The cubic root of 56740542 is about 384.2652924792.

The spelling of 56740542 in words is "fifty-six million, seven hundred forty thousand, five hundred forty-two".

Divisors: 1 2 3 6 9456757 18913514 28370271 56740542