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4628387 = 14931063
BaseRepresentation
bin10001101001111110100011
322201010221202
4101221332203
52141102022
6243111415
754224561
oct21517643
98633852
104628387
112681415
12167256b
13c608ba
14886a31
15616592
hex469fa3

4628387 has 4 divisors (see below), whose sum is σ = 4659600. Its totient is φ = 4597176.

The previous prime is 4628363. The next prime is 4628389. The reversal of 4628387 is 7838264.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4628387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4628387.

It is not an unprimeable number, because it can be changed into a prime (4628389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15383 + ... + 15680.

It is an arithmetic number, because the mean of its divisors is an integer number (1164900).

Almost surely, 24628387 is an apocalyptic number.

4628387 is a deficient number, since it is larger than the sum of its proper divisors (31213).

4628387 is a wasteful number, since it uses less digits than its factorization.

4628387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31212.

The product of its digits is 64512, while the sum is 38.

The square root of 4628387 is about 2151.3686341490. The cubic root of 4628387 is about 166.6517537768.

The spelling of 4628387 in words is "four million, six hundred twenty-eight thousand, three hundred eighty-seven".

Divisors: 1 149 31063 4628387