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56690284 = 2275338201
BaseRepresentation
bin1101100001000…
…0011001101100
310221200011110011
43120100121230
5104003042114
65343023004
71255600540
oct330203154
9127604404
1056690284
112a000282
1216b9aa64
13b98b661
147759a20
154e9c1c4
hex361066c

56690284 has 24 divisors (see below), whose sum is σ = 115522848. Its totient is φ = 23836800.

The previous prime is 56690279. The next prime is 56690287. The reversal of 56690284 is 48209665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56690287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17617 + ... + 20584.

It is an arithmetic number, because the mean of its divisors is an integer number (4813452).

Almost surely, 256690284 is an apocalyptic number.

It is an amenable number.

56690284 is an abundant number, since it is smaller than the sum of its proper divisors (58832564).

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

56690284 is a wasteful number, since it uses less digits than its factorization.

56690284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38265 (or 38263 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 56690284 is about 7529.2950533234. The cubic root of 56690284 is about 384.1518044911.

The spelling of 56690284 in words is "fifty-six million, six hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 38201 76402 152804 267407 534814 1069628 2024653 4049306 8098612 14172571 28345142 56690284