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56921082 = 239486847
BaseRepresentation
bin1101100100100…
…0101111111010
310222002220001020
43121020233322
5104032433312
65352003310
71260551451
oct331105772
9128086036
1056921082
112a148719
1217090536
13ba3c71a
1477b9b98
154ee578c
hex3648bfa

56921082 has 8 divisors (see below), whose sum is σ = 113842176. Its totient is φ = 18973692.

The previous prime is 56921071. The next prime is 56921087. The reversal of 56921082 is 28012965.

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

56921082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56921087) 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, 4743418 + ... + 4743429.

It is an arithmetic number, because the mean of its divisors is an integer number (14230272).

Almost surely, 256921082 is an apocalyptic number.

56921082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56921082 is a wasteful number, since it uses less digits than its factorization.

56921082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486852.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 56921082 is about 7544.6061527425. The cubic root of 56921082 is about 384.6724193921.

The spelling of 56921082 in words is "fifty-six million, nine hundred twenty-one thousand, eighty-two".

Divisors: 1 2 3 6 9486847 18973694 28460541 56921082