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4631904 = 25341787
BaseRepresentation
bin10001101010110101100000
322201022210000
4101222311200
52141210104
6243140000
754241044
oct21526540
98638700
104631904
112684022
121674600
13c62394
14888024
15617639

4631904 has 60 divisors (see below), whose sum is σ = 13629924. Its totient is φ = 1543104.

The previous prime is 4631903. The next prime is 4631987. The reversal of 4631904 is 4091364.

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 (4631903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1699 + ... + 3485.

Almost surely, 24631904 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 4631904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6814962).

4631904 is an abundant number, since it is smaller than the sum of its proper divisors (8998020).

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

4631904 is a wasteful number, since it uses less digits than its factorization.

4631904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4631904 is about 2152.1858655795. The cubic root of 4631904 is about 166.6939546431.

The spelling of 4631904 in words is "four million, six hundred thirty-one thousand, nine hundred four".