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56959945 = 571795731
BaseRepresentation
bin1101100101001…
…0001111001001
310222011212100121
43121102033021
5104040204240
65352503241
71261102660
oct331221711
9128155317
1056959945
112a174939
12170aab21
13ba54313
1477c9dd7
15500204a
hex36523c9

56959945 has 16 divisors (see below), whose sum is σ = 82712448. Its totient is φ = 36760320.

The previous prime is 56959933. The next prime is 56959949. The reversal of 56959945 is 54995965.

56959945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56959945 - 25 = 56959913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56959892 and 56959901.

It is not an unprimeable number, because it can be changed into a prime (56959949) 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 15 ways as a sum of consecutive naturals, for example, 47271 + ... + 48460.

It is an arithmetic number, because the mean of its divisors is an integer number (5169528).

Almost surely, 256959945 is an apocalyptic number.

It is an amenable number.

56959945 is a deficient number, since it is larger than the sum of its proper divisors (25752503).

56959945 is a wasteful number, since it uses less digits than its factorization.

56959945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95760.

The product of its digits is 2187000, while the sum is 52.

The square root of 56959945 is about 7547.1812619017. The cubic root of 56959945 is about 384.7599448029.

The spelling of 56959945 in words is "fifty-six million, nine hundred fifty-nine thousand, nine hundred forty-five".

Divisors: 1 5 7 17 35 85 119 595 95731 478655 670117 1627427 3350585 8137135 11391989 56959945