Search a number
-
+
52765972 = 2277192621
BaseRepresentation
bin1100100101001…
…0010100010100
310200021210022021
43021102110110
5102002002342
65122542524
71210334440
oct311222424
9120253267
1052765972
112786a946
1215807a44
13ac1638c
147017820
154974567
hex3252514

52765972 has 24 divisors (see below), whose sum is σ = 105719040. Its totient is φ = 22573920.

The previous prime is 52765969. The next prime is 52765981. The reversal of 52765972 is 27956725.

It is a super-2 number, since 2×527659722 = 5568495602209568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18822 + ... + 21442.

It is an arithmetic number, because the mean of its divisors is an integer number (4404960).

Almost surely, 252765972 is an apocalyptic number.

It is an amenable number.

52765972 is an abundant number, since it is smaller than the sum of its proper divisors (52953068).

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

52765972 is a wasteful number, since it uses less digits than its factorization.

52765972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 3349 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 52765972 is about 7264.0189977725. The cubic root of 52765972 is about 375.0748816389.

The spelling of 52765972 in words is "fifty-two million, seven hundred sixty-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 719 1438 2621 2876 5033 5242 10066 10484 18347 20132 36694 73388 1884499 3768998 7537996 13191493 26382986 52765972