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50720925 = 352676279
BaseRepresentation
bin1100000101111…
…1000010011101
310112102220000210
43001133002131
5100441032200
65011043033
71154056263
oct301370235
9115386023
1050720925
11266a3422
1214ba0479
13a67b5a8
146a44433
1546bd650
hex305f09d

50720925 has 12 divisors (see below), whose sum is σ = 83858720. Its totient is φ = 27051120.

The previous prime is 50720897. The next prime is 50720927. The reversal of 50720925 is 52902705.

It is a happy number.

50720925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50720925 - 29 = 50720413 is a prime.

It is a super-2 number, since 2×507209252 = 5145224465711250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50720892 and 50720901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50720927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338065 + ... + 338214.

Almost surely, 250720925 is an apocalyptic number.

It is an amenable number.

50720925 is a deficient number, since it is larger than the sum of its proper divisors (33137795).

50720925 is a wasteful number, since it uses less digits than its factorization.

50720925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676292 (or 676287 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 50720925 is about 7121.8624670798. The cubic root of 50720925 is about 370.1653144885.

The spelling of 50720925 in words is "fifty million, seven hundred twenty thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 676279 2028837 3381395 10144185 16906975 50720925