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13702741 = 131079851
BaseRepresentation
bin110100010001…
…011001010101
3221210011121221
4310101121111
512001441431
61205410341
7224320453
oct64213125
927704557
1013702741
11780a088
1247099b1
132aba040
141b699d3
15130a111
hexd11655

13702741 has 8 divisors (see below), whose sum is σ = 14896224. Its totient is φ = 12529200.

The previous prime is 13702739. The next prime is 13702747. The reversal of 13702741 is 14720731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13702741 - 21 = 13702739 is a prime.

It is a super-2 number, since 2×137027412 = 375530221826162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13702747) 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 7 ways as a sum of consecutive naturals, for example, 3535 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (1862028).

Almost surely, 213702741 is an apocalyptic number.

It is an amenable number.

13702741 is a deficient number, since it is larger than the sum of its proper divisors (1193483).

13702741 is a wasteful number, since it uses less digits than its factorization.

13702741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 13702741 is about 3701.7213563422. The cubic root of 13702741 is about 239.2962078458.

It can be divided in two parts, 1370 and 2741, that multiplied together give a triangular number (3755170 = T2740).

The spelling of 13702741 in words is "thirteen million, seven hundred two thousand, seven hundred forty-one".

Divisors: 1 13 107 1391 9851 128063 1054057 13702741