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13601427 = 37647687
BaseRepresentation
bin110011111000…
…101010010011
3221121000122120
4303320222103
511440221202
61203305323
7223416210
oct63705223
927530576
1013601427
11774aa54
12467b243
132a82ba8
141b40b07
1512da0bc
hexcf8a93

13601427 has 8 divisors (see below), whose sum is σ = 20726016. Its totient is φ = 7772232.

The previous prime is 13601417. The next prime is 13601431. The reversal of 13601427 is 72410631.

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

It is not a de Polignac number, because 13601427 - 26 = 13601363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13601397 and 13601406.

It is not an unprimeable number, because it can be changed into a prime (13601407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323823 + ... + 323864.

It is an arithmetic number, because the mean of its divisors is an integer number (2590752).

Almost surely, 213601427 is an apocalyptic number.

13601427 is a deficient number, since it is larger than the sum of its proper divisors (7124589).

13601427 is an equidigital number, since it uses as much as digits as its factorization.

13601427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647697.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13601427 is about 3688.0112526943. The cubic root of 13601427 is about 238.7049866254.

It can be divided in two parts, 13601 and 427, that added together give a triangular number (14028 = T167).

The spelling of 13601427 in words is "thirteen million, six hundred one thousand, four hundred twenty-seven".

Divisors: 1 3 7 21 647687 1943061 4533809 13601427