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50222725 = 527286987
BaseRepresentation
bin1011111110010…
…1011010000101
310111111120121221
42333211122011
5100324111400
64552240341
71146612640
oct277453205
9114446557
1050222725
1126393093
12149a00b1
13a5358b7
146954a57
154620c1a
hex2fe5685

50222725 has 12 divisors (see below), whose sum is σ = 71173024. Its totient is φ = 34438320.

The previous prime is 50222707. The next prime is 50222729. The reversal of 50222725 is 52722205.

It is not a de Polignac number, because 50222725 - 215 = 50189957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50222725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50222729) 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, 143319 + ... + 143668.

Almost surely, 250222725 is an apocalyptic number.

It is an amenable number.

50222725 is a deficient number, since it is larger than the sum of its proper divisors (20950299).

50222725 is a wasteful number, since it uses less digits than its factorization.

50222725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287004 (or 286999 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 50222725 is about 7086.7993480837. The cubic root of 50222725 is about 368.9493569157.

The spelling of 50222725 in words is "fifty million, two hundred twenty-two thousand, seven hundred twenty-five".

Divisors: 1 5 7 25 35 175 286987 1434935 2008909 7174675 10044545 50222725