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50109972 = 22311234511
BaseRepresentation
bin1011111100100…
…1111000010100
310111021211221220
42333021320110
5100312004342
64550010340
71145633133
oct277117024
9114254856
1050109972
1126316400
12149469b0
13a4c6493
14692591a
1545ec5ec
hex2fc9e14

50109972 has 36 divisors (see below), whose sum is σ = 128522688. Its totient is φ = 15184400.

The previous prime is 50109971. The next prime is 50109977. The reversal of 50109972 is 27990105.

It is a super-2 number, since 2×501099722 = 5022018587681568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50109971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15804 + ... + 18707.

Almost surely, 250109972 is an apocalyptic number.

It is an amenable number.

50109972 is an abundant number, since it is smaller than the sum of its proper divisors (78412716).

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

50109972 is a wasteful number, since it uses less digits than its factorization.

50109972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34540 (or 34527 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 50109972 is about 7078.8397354369. The cubic root of 50109972 is about 368.6730456288.

The spelling of 50109972 in words is "fifty million, one hundred nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 34511 69022 103533 138044 207066 379621 414132 759242 1138863 1518484 2277726 4175831 4555452 8351662 12527493 16703324 25054986 50109972