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13690734 = 232281789
BaseRepresentation
bin110100001110…
…011101101110
3221202120011020
4310032131232
512001100414
61205235010
7224240451
oct64163556
927676136
1013690734
117801062
124702a66
132ab4735
141b65498
1513067a9
hexd0e76e

13690734 has 8 divisors (see below), whose sum is σ = 27381480. Its totient is φ = 4563576.

The previous prime is 13690723. The next prime is 13690739. The reversal of 13690734 is 43709631.

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

13690734 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13690695 and 13690704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13690739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140889 + ... + 1140900.

It is an arithmetic number, because the mean of its divisors is an integer number (3422685).

Almost surely, 213690734 is an apocalyptic number.

13690734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13690734 is a wasteful number, since it uses less digits than its factorization.

13690734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281794.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 13690734 is about 3700.0991878597. The cubic root of 13690734 is about 239.2262931429.

The spelling of 13690734 in words is "thirteen million, six hundred ninety thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 2281789 4563578 6845367 13690734