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13478058 = 2321168071
BaseRepresentation
bin110011011010…
…100010101010
3221100202102100
4303122202222
511422244213
61200514230
7222363426
oct63324252
927322370
1013478058
1176762a0
12461b976
132a3b9a9
141b0bb86
1512b3773
hexcda8aa

13478058 has 24 divisors (see below), whose sum is σ = 31857696. Its totient is φ = 4084200.

The previous prime is 13478051. The next prime is 13478077. The reversal of 13478058 is 85087431.

13478058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×134780583 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13478051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33838 + ... + 34233.

It is an arithmetic number, because the mean of its divisors is an integer number (1327404).

Almost surely, 213478058 is an apocalyptic number.

13478058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13478058 is an abundant number, since it is smaller than the sum of its proper divisors (18379638).

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

13478058 is a wasteful number, since it uses less digits than its factorization.

13478058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68090 (or 68087 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 13478058 is about 3671.2474719092. The cubic root of 13478058 is about 237.9810850490.

The spelling of 13478058 in words is "thirteen million, four hundred seventy-eight thousand, fifty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 68071 136142 204213 408426 612639 748781 1225278 1497562 2246343 4492686 6739029 13478058