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13864698 = 232770261
BaseRepresentation
bin110100111000…
…111011111010
3222002101210100
4310320323322
512022132243
61213100230
7225563601
oct64707372
928071710
1013864698
11790a831
124787676
132b45983
141baca38
15133d0d3
hexd38efa

13864698 has 12 divisors (see below), whose sum is σ = 30040218. Its totient is φ = 4621560.

The previous prime is 13864679. The next prime is 13864703. The reversal of 13864698 is 89646831.

It can be written as a sum of positive squares in only one way, i.e., 13860729 + 3969 = 3723^2 + 63^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385113 + ... + 385148.

Almost surely, 213864698 is an apocalyptic number.

13864698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13864698 is an abundant number, since it is smaller than the sum of its proper divisors (16175520).

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

13864698 is a wasteful number, since it uses less digits than its factorization.

13864698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770269 (or 770266 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 13864698 is about 3723.5329997195. The cubic root of 13864698 is about 240.2352900854.

It can be divided in two parts, 1386 and 4698, that added together give a square (6084 = 782).

The spelling of 13864698 in words is "thirteen million, eight hundred sixty-four thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 9 18 770261 1540522 2310783 4621566 6932349 13864698