Search a number
-
+
632994940 = 22531649747
BaseRepresentation
bin100101101110101…
…011110001111100
31122010002110211001
4211232223301330
52244021314230
6142451140044
721454240204
oct4556536174
91563073731
10632994940
112a5344516
12157ba4624
13a11abb26
14600d5404
153a8890ca
hex25babc7c

632994940 has 12 divisors (see below), whose sum is σ = 1329289416. Its totient is φ = 253197968.

The previous prime is 632994913. The next prime is 632994961. The reversal of 632994940 is 49499236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15824854 + ... + 15824893.

It is an arithmetic number, because the mean of its divisors is an integer number (110774118).

Almost surely, 2632994940 is an apocalyptic number.

It is an amenable number.

632994940 is an abundant number, since it is smaller than the sum of its proper divisors (696294476).

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

632994940 is a wasteful number, since it uses less digits than its factorization.

632994940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31649756 (or 31649754 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 632994940 is about 25159.3906921451. The cubic root of 632994940 is about 858.6181793372.

The spelling of 632994940 in words is "six hundred thirty-two million, nine hundred ninety-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 31649747 63299494 126598988 158248735 316497470 632994940