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13930474 = 26965237
BaseRepresentation
bin110101001000…
…111111101010
3222012202000111
4311020333222
512031233344
61214324534
7226256425
oct65107752
928182014
1013930474
117955198
1247b974a
132b698ac
141bc89bc
151352834
hexd48fea

13930474 has 4 divisors (see below), whose sum is σ = 20895714. Its totient is φ = 6965236.

The previous prime is 13930459. The next prime is 13930481. The reversal of 13930474 is 47403931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 2418025 = 3393^2 + 1555^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482617 + ... + 3482620.

Almost surely, 213930474 is an apocalyptic number.

13930474 is a deficient number, since it is larger than the sum of its proper divisors (6965240).

13930474 is an equidigital number, since it uses as much as digits as its factorization.

13930474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965239.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13930474 is about 3732.3550206271. The cubic root of 13930474 is about 240.6145937817.

The spelling of 13930474 in words is "thirteen million, nine hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 6965237 13930474