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12642710 = 251264271
BaseRepresentation
bin110000001110…
…100110010110
3212210022112112
4300032212112
511214031320
61130551022
7212314133
oct60164626
925708475
1012642710
117155723
124298472
1328086c2
14197158a
15119aec5
hexc0e996

12642710 has 8 divisors (see below), whose sum is σ = 22756896. Its totient is φ = 5057080.

The previous prime is 12642703. The next prime is 12642743. The reversal of 12642710 is 1724621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126427102 = 319676232288200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 632126 + ... + 632145.

It is an arithmetic number, because the mean of its divisors is an integer number (2844612).

Almost surely, 212642710 is an apocalyptic number.

12642710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12642710 is a deficient number, since it is larger than the sum of its proper divisors (10114186).

12642710 is a wasteful number, since it uses less digits than its factorization.

12642710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264278.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12642710 is about 3555.6588700268. The cubic root of 12642710 is about 232.9593032497.

The spelling of 12642710 in words is "twelve million, six hundred forty-two thousand, seven hundred ten".

Divisors: 1 2 5 10 1264271 2528542 6321355 12642710