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13831274 = 216741411
BaseRepresentation
bin110100110000…
…110001101010
3222000200221102
4310300301222
512020100044
61212241402
7225364262
oct64606152
928020842
1013831274
117897706
124770262
132b336b2
141ba07a2
15133324e
hexd30c6a

13831274 has 8 divisors (see below), whose sum is σ = 20871648. Its totient is φ = 6874060.

The previous prime is 13831253. The next prime is 13831277. The reversal of 13831274 is 47213831.

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

It is not an unprimeable number, because it can be changed into a prime (13831277) 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 3 ways as a sum of consecutive naturals, for example, 20372 + ... + 21039.

It is an arithmetic number, because the mean of its divisors is an integer number (2608956).

Almost surely, 213831274 is an apocalyptic number.

13831274 is a deficient number, since it is larger than the sum of its proper divisors (7040374).

13831274 is a wasteful number, since it uses less digits than its factorization.

13831274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41580.

The product of its digits is 4032, while the sum is 29.

The square root of 13831274 is about 3719.0420809665. The cubic root of 13831274 is about 240.0420875263.

The spelling of 13831274 in words is "thirteen million, eight hundred thirty-one thousand, two hundred seventy-four".

Divisors: 1 2 167 334 41411 82822 6915637 13831274