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50872872 = 2332324007
BaseRepresentation
bin1100001000010…
…0001000101000
310112201121110110
43002010020220
5101010412442
65014214320
71155261261
oct302041050
9115647413
1050872872
11267975a6
12150543a0
13a7027bb
146a83968
1546ed69c
hex3084228

50872872 has 48 divisors (see below), whose sum is σ = 132985440. Its totient is φ = 16216288.

The previous prime is 50872859. The next prime is 50872907. The reversal of 50872872 is 27827805.

It is a self number, because there is not a number n which added to its sum of digits gives 50872872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10693 + ... + 14699.

It is an arithmetic number, because the mean of its divisors is an integer number (2770530).

Almost surely, 250872872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50872872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66492720).

50872872 is an abundant number, since it is smaller than the sum of its proper divisors (82112568).

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

50872872 is a wasteful number, since it uses less digits than its factorization.

50872872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 50872872 is about 7132.5221345608. The cubic root of 50872872 is about 370.5345863855.

The spelling of 50872872 in words is "fifty million, eight hundred seventy-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 529 552 1058 1587 2116 3174 4007 4232 6348 8014 12021 12696 16028 24042 32056 48084 92161 96168 184322 276483 368644 552966 737288 1105932 2119703 2211864 4239406 6359109 8478812 12718218 16957624 25436436 50872872