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50372172 = 2233466409
BaseRepresentation
bin1100000000100…
…1111001001100
310111210011122000
43000021321030
5100343402142
64555352300
71151104434
oct300117114
9114704560
1050372172
11264853a4
1214a52690
13a588926
1469932c4
15465014c
hex3009e4c

50372172 has 24 divisors (see below), whose sum is σ = 130594800. Its totient is φ = 16790688.

The previous prime is 50372171. The next prime is 50372191. The reversal of 50372172 is 27127305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50372171) 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, 233097 + ... + 233312.

It is an arithmetic number, because the mean of its divisors is an integer number (5441450).

Almost surely, 250372172 is an apocalyptic number.

It is an amenable number.

50372172 is an abundant number, since it is smaller than the sum of its proper divisors (80222628).

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

50372172 is a wasteful number, since it uses less digits than its factorization.

50372172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466422 (or 466414 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 50372172 is about 7097.3355563902. The cubic root of 50372172 is about 369.3149535209.

Adding to 50372172 its reverse (27127305), we get a palindrome (77499477).

The spelling of 50372172 in words is "fifty million, three hundred seventy-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 466409 932818 1399227 1865636 2798454 4197681 5596908 8395362 12593043 16790724 25186086 50372172