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4627990 = 253114929
BaseRepresentation
bin10001101001111000010110
322201010102001
4101221320112
52141043430
6243105514
754223453
oct21517026
98633361
104627990
112681094
12167229a
13c60673
1488682a
156163ca
hex469e16

4627990 has 16 divisors (see below), whose sum is σ = 8599680. Its totient is φ = 1791360.

The previous prime is 4627943. The next prime is 4628003. The reversal of 4627990 is 997264.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7155 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (537480).

Almost surely, 24627990 is an apocalyptic number.

4627990 is a deficient number, since it is larger than the sum of its proper divisors (3971690).

4627990 is a wasteful number, since it uses less digits than its factorization.

4627990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 4627990 is about 2151.2763653236. The cubic root of 4627990 is about 166.6469887879.

The spelling of 4627990 in words is "four million, six hundred twenty-seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 14929 29858 74645 149290 462799 925598 2313995 4627990