Search a number
-
+
632642725 = 521113271653
BaseRepresentation
bin100101101101010…
…101110010100101
31122002102120200001
4211231111302211
52243424031400
6142435421301
721451242301
oct4555256245
91562376601
10632642725
112a5123930
12157a54831
13a10b7710
1460042d01
153a819a6a
hex25b55ca5

632642725 has 48 divisors (see below), whose sum is σ = 926440704. Its totient is φ = 422496000.

The previous prime is 632642719. The next prime is 632642741. The reversal of 632642725 is 527246236.

It is not a de Polignac number, because 632642725 - 211 = 632640677 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 47 ways as a sum of consecutive naturals, for example, 968499 + ... + 969151.

It is an arithmetic number, because the mean of its divisors is an integer number (19300848).

Almost surely, 2632642725 is an apocalyptic number.

632642725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

632642725 is a deficient number, since it is larger than the sum of its proper divisors (293797979).

632642725 is a wasteful number, since it uses less digits than its factorization.

632642725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 953 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 632642725 is about 25152.3900454808. The cubic root of 632642725 is about 858.4588972264.

The spelling of 632642725 in words is "six hundred thirty-two million, six hundred forty-two thousand, seven hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 143 271 275 325 653 715 1355 2981 3265 3523 3575 6775 7183 8489 14905 16325 17615 35915 38753 42445 74525 88075 93379 176963 179575 193765 212225 466895 884815 968825 1946593 2300519 2334475 4424075 9732965 11502595 25305709 48664825 57512975 126528545 632642725