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13942946 = 26971473
BaseRepresentation
bin110101001100…
…000010100010
3222020101010102
4311030002202
512032133241
61214502402
7226340663
oct65140242
928211112
1013942946
1179635a6
124804a02
132b72484
141bcd36a
15135639b
hexd4c0a2

13942946 has 4 divisors (see below), whose sum is σ = 20914422. Its totient is φ = 6971472.

The previous prime is 13942937. The next prime is 13942961. The reversal of 13942946 is 64924931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64924931 = 143345307.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 4363921 = 3095^2 + 2089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485735 + ... + 3485738.

Almost surely, 213942946 is an apocalyptic number.

13942946 is a deficient number, since it is larger than the sum of its proper divisors (6971476).

13942946 is an equidigital number, since it uses as much as digits as its factorization.

13942946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971475.

The product of its digits is 46656, while the sum is 38.

The square root of 13942946 is about 3734.0254417987. The cubic root of 13942946 is about 240.6863800462.

The spelling of 13942946 in words is "thirteen million, nine hundred forty-two thousand, nine hundred forty-six".

Divisors: 1 2 6971473 13942946