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56850397 = 175363097
BaseRepresentation
bin1101100011011…
…1011111011101
310221222022002021
43120313133131
5104023203042
65350300141
71260135412
oct330673735
9127868067
1056850397
112a0aa5aa
1217057651
13ba164b6
14779c109
154ece867
hex36377dd

56850397 has 8 divisors (see below), whose sum is σ = 61331256. Its totient is φ = 52495872.

The previous prime is 56850383. The next prime is 56850403. The reversal of 56850397 is 79305865.

It can be written as a sum of positive squares in 4 ways, for example, as 4923961 + 51926436 = 2219^2 + 7206^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56850397 is a prime.

It is a super-3 number, since 3×568503973 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56850377) 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, 30648 + ... + 32449.

It is an arithmetic number, because the mean of its divisors is an integer number (7666407).

Almost surely, 256850397 is an apocalyptic number.

It is an amenable number.

56850397 is a deficient number, since it is larger than the sum of its proper divisors (4480859).

56850397 is a wasteful number, since it uses less digits than its factorization.

56850397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63167.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 56850397 is about 7539.9202250422. The cubic root of 56850397 is about 384.5131237971.

The spelling of 56850397 in words is "fifty-six million, eight hundred fifty thousand, three hundred ninety-seven".

Divisors: 1 17 53 901 63097 1072649 3344141 56850397