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13415740 = 2251351599
BaseRepresentation
bin110011001011…
…010100111100
3221020120221021
4303023110330
511413300430
61155313524
7222013642
oct63132474
927216837
1013415740
117633498
1245ab8a4
132a19510
141ad3192
1512a007a
hexccb53c

13415740 has 24 divisors (see below), whose sum is σ = 30340800. Its totient is φ = 4953408.

The previous prime is 13415683. The next prime is 13415741. The reversal of 13415740 is 4751431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415741) 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, 25540 + ... + 26059.

It is an arithmetic number, because the mean of its divisors is an integer number (1264200).

Almost surely, 213415740 is an apocalyptic number.

13415740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13415740 is an abundant number, since it is smaller than the sum of its proper divisors (16925060).

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

13415740 is a wasteful number, since it uses less digits than its factorization.

13415740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51621 (or 51619 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 13415740 is about 3662.7503327418. The cubic root of 13415740 is about 237.6137368440.

The spelling of 13415740 in words is "thirteen million, four hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 51599 103198 206396 257995 515990 670787 1031980 1341574 2683148 3353935 6707870 13415740