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56961307 = 1329151091
BaseRepresentation
bin1101100101001…
…0100100011011
310222011221020001
43121102210123
5104040230212
65352513431
71261106644
oct331224433
9128157201
1056961307
112a175967
12170ab877
13ba54b20
1477ca6cb
155002657
hex365291b

56961307 has 8 divisors (see below), whose sum is σ = 63458640. Its totient is φ = 50766240.

The previous prime is 56961299. The next prime is 56961313. The reversal of 56961307 is 70316965.

56961307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56961307 - 23 = 56961299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56961347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75169 + ... + 75922.

It is an arithmetic number, because the mean of its divisors is an integer number (7932330).

Almost surely, 256961307 is an apocalyptic number.

56961307 is a deficient number, since it is larger than the sum of its proper divisors (6497333).

56961307 is a wasteful number, since it uses less digits than its factorization.

56961307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151133.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 56961307 is about 7547.2714937254. The cubic root of 56961307 is about 384.7630115127.

The spelling of 56961307 in words is "fifty-six million, nine hundred sixty-one thousand, three hundred seven".

Divisors: 1 13 29 377 151091 1964183 4381639 56961307