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13479922 = 219734213
BaseRepresentation
bin110011011010…
…111111110010
3221100211222101
4303122333302
511422324142
61200531014
7222402031
oct63327762
927324871
1013479922
117677735
124620a6a
132a3c7b1
141b0c718
1512b40b7
hexcdaff2

13479922 has 8 divisors (see below), whose sum is σ = 20323116. Its totient is φ = 6705552.

The previous prime is 13479913. The next prime is 13479943. The reversal of 13479922 is 22997431.

It can be written as a sum of positive squares in 2 ways, for example, as 9979281 + 3500641 = 3159^2 + 1871^2 .

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

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, 16713 + ... + 17500.

Almost surely, 213479922 is an apocalyptic number.

13479922 is the 1963-rd centered heptagonal number.

13479922 is a deficient number, since it is larger than the sum of its proper divisors (6843194).

13479922 is a wasteful number, since it uses less digits than its factorization.

13479922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34412.

The product of its digits is 27216, while the sum is 37.

The square root of 13479922 is about 3671.5013277949. The cubic root of 13479922 is about 237.9920553806.

The spelling of 13479922 in words is "thirteen million, four hundred seventy-nine thousand, nine hundred twenty-two".

Divisors: 1 2 197 394 34213 68426 6739961 13479922