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13045671 = 331034691
BaseRepresentation
bin110001110000…
…111110100111
3220112210022000
4301300332213
511314430141
61143340343
7215613012
oct61607647
926483260
1013045671
117400451
1244516b3
132919c42
141a38379
15122a5b6
hexc70fa7

13045671 has 16 divisors (see below), whose sum is σ = 19518720. Its totient is φ = 8610840.

The previous prime is 13045663. The next prime is 13045687. The reversal of 13045671 is 17654031.

It is not a de Polignac number, because 13045671 - 23 = 13045663 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1219920).

Almost surely, 213045671 is an apocalyptic number.

13045671 is a deficient number, since it is larger than the sum of its proper divisors (6473049).

13045671 is a wasteful number, since it uses less digits than its factorization.

13045671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13045671 is about 3611.8791508023. The cubic root of 13045671 is about 235.4085002971.

The spelling of 13045671 in words is "thirteen million, forty-five thousand, six hundred seventy-one".

Divisors: 1 3 9 27 103 309 927 2781 4691 14073 42219 126657 483173 1449519 4348557 13045671