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13140374 = 213505399
BaseRepresentation
bin110010001000…
…000110010110
3220201121012112
4302020012112
511330442444
61145351022
7216456062
oct62100626
926647175
1013140374
117465615
124498472
132951090
141a60aa2
15124869e
hexc88196

13140374 has 8 divisors (see below), whose sum is σ = 21226800. Its totient is φ = 6064776.

The previous prime is 13140367. The next prime is 13140389. The reversal of 13140374 is 47304131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252674 + ... + 252725.

It is an arithmetic number, because the mean of its divisors is an integer number (2653350).

Almost surely, 213140374 is an apocalyptic number.

13140374 is a deficient number, since it is larger than the sum of its proper divisors (8086426).

13140374 is a wasteful number, since it uses less digits than its factorization.

13140374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505414.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13140374 is about 3624.9653791450. The cubic root of 13140374 is about 235.9767644461.

The spelling of 13140374 in words is "thirteen million, one hundred forty thousand, three hundred seventy-four".

Divisors: 1 2 13 26 505399 1010798 6570187 13140374