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629628 = 22371739
BaseRepresentation
bin10011001101101111100
31011222200120
42121231330
5130122003
621254540
75231436
oct2315574
91158616
10629628
113a005a
12264450
1319077c
14125656
15c6853
hex99b7c

629628 has 24 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 206640.

The previous prime is 629623. The next prime is 629653. The reversal of 629628 is 826926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (62160).

2629628 is an apocalyptic number.

It is an amenable number.

629628 is an abundant number, since it is smaller than the sum of its proper divisors (862212).

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

629628 is a wasteful number, since it uses less digits than its factorization.

629628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 629628 is about 793.4910207431. The cubic root of 629628 is about 85.7093124099.

The spelling of 629628 in words is "six hundred twenty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 739 852 1478 2217 2956 4434 8868 52469 104938 157407 209876 314814 629628