Search a number
-
+
52152525 = 335277263
BaseRepresentation
bin1100011011110…
…0100011001101
310122010121211000
43012330203031
5101322340100
65101450513
71202201115
oct306744315
9118117730
1052152525
1127490a67
1215570a39
13aa600a9
146cd8045
1548a2900
hex31bc8cd

52152525 has 24 divisors (see below), whose sum is σ = 95807360. Its totient is φ = 27814320.

The previous prime is 52152521. The next prime is 52152539. The reversal of 52152525 is 52525125.

It is not a de Polignac number, because 52152525 - 22 = 52152521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37957 + ... + 39306.

Almost surely, 252152525 is an apocalyptic number.

It is an amenable number.

52152525 is a deficient number, since it is larger than the sum of its proper divisors (43654835).

52152525 is a wasteful number, since it uses less digits than its factorization.

52152525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77282 (or 77271 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 52152525 is about 7221.6705131154. The cubic root of 52152525 is about 373.6156961623.

The spelling of 52152525 in words is "fifty-two million, one hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 77263 231789 386315 695367 1158945 1931575 2086101 3476835 5794725 10430505 17384175 52152525