Search a number
-
+
25625052 = 2233172821
BaseRepresentation
bin110000111000…
…0000111011100
31210012212222000
41201300013130
523030000202
62313122300
7430544415
oct141600734
953185860
1025625052
1113512532
1286b9390
13540286b
14359080c
1523b291c
hex18701dc

25625052 has 72 divisors (see below), whose sum is σ = 70659120. Its totient is φ = 8029440.

The previous prime is 25625051. The next prime is 25625071. The reversal of 25625052 is 25052652.

25625052 is a `hidden beast` number, since 2 + 562 + 50 + 52 = 666.

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 (25625051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30802 + ... + 31622.

Almost surely, 225625052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25625052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35329560).

25625052 is an abundant number, since it is smaller than the sum of its proper divisors (45034068).

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

25625052 is a wasteful number, since it uses less digits than its factorization.

25625052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 25625052 is about 5062.1193190204. The cubic root of 25625052 is about 294.8186264203.

The spelling of 25625052 in words is "twenty-five million, six hundred twenty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 289 306 459 578 612 821 867 918 1156 1642 1734 1836 2463 2601 3284 3468 4926 5202 7389 7803 9852 10404 13957 14778 15606 22167 27914 29556 31212 41871 44334 55828 83742 88668 125613 167484 237269 251226 376839 474538 502452 711807 753678 949076 1423614 1507356 2135421 2847228 4270842 6406263 8541684 12812526 25625052