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56087849 = 184730367
BaseRepresentation
bin1101010111110…
…1010100101001
310220112120001202
43111331110221
5103324302344
65322053545
71250511266
oct325752451
9126476052
1056087849
11297296a4
121694a2b5
13b80a39c
14764026d
154dcd94e
hex357d529

56087849 has 4 divisors (see below), whose sum is σ = 56120064. Its totient is φ = 56055636.

The previous prime is 56087821. The next prime is 56087861. The reversal of 56087849 is 94878065.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56087849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56087249) 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, 13337 + ... + 17030.

It is an arithmetic number, because the mean of its divisors is an integer number (14030016).

Almost surely, 256087849 is an apocalyptic number.

It is an amenable number.

56087849 is a deficient number, since it is larger than the sum of its proper divisors (32215).

56087849 is a wasteful number, since it uses less digits than its factorization.

56087849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32214.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 56087849 is about 7489.1821315815. The cubic root of 56087849 is about 382.7861904751.

The spelling of 56087849 in words is "fifty-six million, eighty-seven thousand, eight hundred forty-nine".

Divisors: 1 1847 30367 56087849