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52911925 = 5211192407
BaseRepresentation
bin1100100111010…
…1111100110101
310200120012111221
43021311330311
5102021140200
65130030341
71211513113
oct311657465
9120505457
1052911925
112795a570
12158783b1
13ac67941
147054ab3
1549a291a
hex3275f35

52911925 has 12 divisors (see below), whose sum is σ = 71575776. Its totient is φ = 38481200.

The previous prime is 52911913. The next prime is 52911953.

52911925 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52911925 - 25 = 52911893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95929 + ... + 96478.

It is an arithmetic number, because the mean of its divisors is an integer number (5964648).

Almost surely, 252911925 is an apocalyptic number.

52911925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52911925 is a deficient number, since it is larger than the sum of its proper divisors (18663851).

52911925 is a wasteful number, since it uses less digits than its factorization.

52911925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192428 (or 192423 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 52911925 is about 7274.0583583032. The cubic root of 52911925 is about 375.4203878141.

The spelling of 52911925 in words is "fifty-two million, nine hundred eleven thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 192407 962035 2116477 4810175 10582385 52911925