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56942940 = 22352341263
BaseRepresentation
bin1101100100111…
…0000101011100
310222011000000210
43121032011130
5104034133230
65352252420
71261002255
oct331160534
9128130023
1056942940
112a16308a
12170a1110
13ba49662
1477c3b2c
154eebeb0
hex364e15c

56942940 has 48 divisors (see below), whose sum is σ = 166376448. Its totient is φ = 14524224.

The previous prime is 56942927. The next prime is 56942953. The reversal of 56942940 is 4924965.

56942940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56942927) and next prime (56942953).

It is a congruent number.

It is an unprimeable number.

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, 19252 + ... + 22011.

It is an arithmetic number, because the mean of its divisors is an integer number (3466176).

Almost surely, 256942940 is an apocalyptic number.

It is an amenable number.

56942940 is an abundant number, since it is smaller than the sum of its proper divisors (109433508).

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

56942940 is a wasteful number, since it uses less digits than its factorization.

56942940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41298 (or 41296 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 56942940 is about 7546.0545982652. The cubic root of 56942940 is about 384.7216518465.

The spelling of 56942940 in words is "fifty-six million, nine hundred forty-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 41263 82526 123789 165052 206315 247578 412630 495156 618945 825260 949049 1237890 1898098 2475780 2847147 3796196 4745245 5694294 9490490 11388588 14235735 18980980 28471470 56942940