Search a number
-
+
53972750 = 2531316607
BaseRepresentation
bin1100110111100…
…0111100001110
310202120002200202
43031320330032
5102304112000
65204453502
71223521646
oct315707416
9122502622
1053972750
1128514587
12160aa292
13b249750
14724d526
154b11dd5
hex3378f0e

53972750 has 32 divisors (see below), whose sum is σ = 108815616. Its totient is φ = 19927200.

The previous prime is 53972747. The next prime is 53972791. The reversal of 53972750 is 5727935.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5054 + ... + 11553.

It is an arithmetic number, because the mean of its divisors is an integer number (3400488).

Almost surely, 253972750 is an apocalyptic number.

53972750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53972750 is an abundant number, since it is smaller than the sum of its proper divisors (54842866).

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

53972750 is a wasteful number, since it uses less digits than its factorization.

53972750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16637 (or 16627 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 53972750 is about 7346.6148667260. The cubic root of 53972750 is about 377.9127249215.

The spelling of 53972750 in words is "fifty-three million, nine hundred seventy-two thousand, seven hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 125 130 250 325 650 1625 3250 16607 33214 83035 166070 215891 415175 431782 830350 1079455 2075875 2158910 4151750 5397275 10794550 26986375 53972750