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56749241 = 58399719
BaseRepresentation
bin1101100001111…
…0110010111001
310221210011022202
43120132302321
5104011433431
65344155545
71256234453
oct330366271
9127704282
1056749241
112a0405aa
1217008bb5
13b9ac443
1477732d3
154eae8cb
hex361ecb9

56749241 has 4 divisors (see below), whose sum is σ = 56764800. Its totient is φ = 56733684.

The previous prime is 56749229. The next prime is 56749249. The reversal of 56749241 is 14294765.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56749241 - 210 = 56748217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56749195 and 56749204.

It is not an unprimeable number, because it can be changed into a prime (56749249) 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, 980 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (14191200).

Almost surely, 256749241 is an apocalyptic number.

It is an amenable number.

56749241 is a deficient number, since it is larger than the sum of its proper divisors (15559).

56749241 is an equidigital number, since it uses as much as digits as its factorization.

56749241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15558.

The product of its digits is 60480, while the sum is 38.

The square root of 56749241 is about 7533.2092098919. The cubic root of 56749241 is about 384.2849289558.

The spelling of 56749241 in words is "fifty-six million, seven hundred forty-nine thousand, two hundred forty-one".

Divisors: 1 5839 9719 56749241