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56019768 = 2337333451
BaseRepresentation
bin1101010110110…
…0101100111000
310220102002200020
43111230230320
5103320113033
65320410440
71250105640
oct325545470
9126362606
1056019768
1129692532
1216916a20
13b7b53bc
147623520
154db86b3
hex356cb38

56019768 has 32 divisors (see below), whose sum is σ = 160056960. Its totient is φ = 16005600.

The previous prime is 56019767. The next prime is 56019779. The reversal of 56019768 is 86791065.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56019767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166558 + ... + 166893.

It is an arithmetic number, because the mean of its divisors is an integer number (5001780).

Almost surely, 256019768 is an apocalyptic number.

It is an amenable number.

56019768 is an abundant number, since it is smaller than the sum of its proper divisors (104037192).

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

56019768 is a wasteful number, since it uses less digits than its factorization.

56019768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333467 (or 333463 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 56019768 is about 7484.6354620649. The cubic root of 56019768 is about 382.6312489056.

The spelling of 56019768 in words is "fifty-six million, nineteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 333451 666902 1000353 1333804 2000706 2334157 2667608 4001412 4668314 7002471 8002824 9336628 14004942 18673256 28009884 56019768