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13742738 = 219361651
BaseRepresentation
bin110100011011…
…001010010010
3221212012111022
4310123022102
512004231423
61210315442
7224545202
oct64331222
927765438
1013742738
117837139
124728b82
132b022c9
141b7a402
151316dc8
hexd1b292

13742738 has 8 divisors (see below), whose sum is σ = 21699120. Its totient is φ = 6509700.

The previous prime is 13742737. The next prime is 13742777. The reversal of 13742738 is 83724731.

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

It is a junction number, because it is equal to n+sod(n) for n = 13742698 and 13742707.

It is not an unprimeable number, because it can be changed into a prime (13742731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 180788 + ... + 180863.

It is an arithmetic number, because the mean of its divisors is an integer number (2712390).

Almost surely, 213742738 is an apocalyptic number.

13742738 is a deficient number, since it is larger than the sum of its proper divisors (7956382).

13742738 is a wasteful number, since it uses less digits than its factorization.

13742738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361672.

The product of its digits is 28224, while the sum is 35.

The square root of 13742738 is about 3707.1199063424. The cubic root of 13742738 is about 239.5288093156.

It can be divided in two parts, 137 and 42738, that added together give a cube (42875 = 353).

The spelling of 13742738 in words is "thirteen million, seven hundred forty-two thousand, seven hundred thirty-eight".

Divisors: 1 2 19 38 361651 723302 6871369 13742738