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13947468 = 2233673167
BaseRepresentation
bin110101001101…
…001001001100
3222020121022220
4311031021030
512032304333
61214535340
7226360113
oct65151114
928217286
1013947468
117966a37
124807550
132b74552
141bd0c7a
1513578b3
hexd4d24c

13947468 has 24 divisors (see below), whose sum is σ = 32643072. Its totient is φ = 4635024.

The previous prime is 13947449. The next prime is 13947473. The reversal of 13947468 is 86474931.

It is a super-2 number, since 2×139474682 = 389063727222048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821 + ... + 5987.

It is an arithmetic number, because the mean of its divisors is an integer number (1360128).

Almost surely, 213947468 is an apocalyptic number.

It is an amenable number.

13947468 is an abundant number, since it is smaller than the sum of its proper divisors (18695604).

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

13947468 is a wasteful number, since it uses less digits than its factorization.

13947468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3539 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 13947468 is about 3734.6309054577. The cubic root of 13947468 is about 240.7123971727.

The spelling of 13947468 in words is "thirteen million, nine hundred forty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 367 734 1101 1468 2202 3167 4404 6334 9501 12668 19002 38004 1162289 2324578 3486867 4649156 6973734 13947468