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13870434 = 232311739
BaseRepresentation
bin110100111010…
…010101100010
3222002200122210
4310322111202
512022323214
61213142550
7225616404
oct64722542
928080583
1013870434
117914076
12478aa56
132b48476
141bb0b74
15133eb59
hexd3a562

13870434 has 8 divisors (see below), whose sum is σ = 27740880. Its totient is φ = 4623476.

The previous prime is 13870427. The next prime is 13870457. The reversal of 13870434 is 43407831.

13870434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13870434 is an admirable 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, 1155864 + ... + 1155875.

It is an arithmetic number, because the mean of its divisors is an integer number (3467610).

Almost surely, 213870434 is an apocalyptic number.

13870434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13870434 is a wasteful number, since it uses less digits than its factorization.

13870434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311744.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 13870434 is about 3724.3031562965. The cubic root of 13870434 is about 240.2684149717.

The spelling of 13870434 in words is "thirteen million, eight hundred seventy thousand, four hundred thirty-four".

Divisors: 1 2 3 6 2311739 4623478 6935217 13870434