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13731002 = 2172231811
BaseRepresentation
bin110100011000…
…010010111010
3221211121101122
4310120102322
512003343002
61210145242
7224466035
oct64302272
927747348
1013731002
11782933a
124722222
132ac9b6c
141b7601c
1513136a2
hexd184ba

13731002 has 16 divisors (see below), whose sum is σ = 21917952. Its totient is φ = 6429120.

The previous prime is 13731001. The next prime is 13731013. The reversal of 13731002 is 20013731.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (13731001) by changing a digit.

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, 6677 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (1369872).

Almost surely, 213731002 is an apocalyptic number.

13731002 is a deficient number, since it is larger than the sum of its proper divisors (8186950).

13731002 is a wasteful number, since it uses less digits than its factorization.

13731002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 13731002 is about 3705.5366682844. The cubic root of 13731002 is about 239.4606057622.

Adding to 13731002 its reverse (20013731), we get a palindrome (33744733).

The spelling of 13731002 in words is "thirteen million, seven hundred thirty-one thousand, two".

Divisors: 1 2 17 34 223 446 1811 3622 3791 7582 30787 61574 403853 807706 6865501 13731002