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13075740 = 2232572643
BaseRepresentation
bin110001111000…
…010100011100
3220121022112200
4301320110130
511321410430
61144131500
7216066456
oct61702434
926538480
1013075740
117420aa7
124466b90
13292a832
141a452d6
151234460
hexc7851c

13075740 has 36 divisors (see below), whose sum is σ = 39663624. Its totient is φ = 3486816.

The previous prime is 13075739. The next prime is 13075807. The reversal of 13075740 is 4757031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 36142 + ... + 36501.

Almost surely, 213075740 is an apocalyptic number.

13075740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13075740 is an abundant number, since it is smaller than the sum of its proper divisors (26587884).

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

13075740 is a wasteful number, since it uses less digits than its factorization.

13075740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72658 (or 72653 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13075740 is about 3616.0392696983. The cubic root of 13075740 is about 235.5892260651.

The spelling of 13075740 in words is "thirteen million, seventy-five thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 72643 145286 217929 290572 363215 435858 653787 726430 871716 1089645 1307574 1452860 2179290 2615148 3268935 4358580 6537870 13075740