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16272540 = 2232590403
BaseRepresentation
bin111110000100…
…110010011100
31010121201201200
4332010302130
513131210130
61340435500
7255212544
oct76046234
933551650
1016272540
119204889
125548b90
1334a992b
142238324
151666760
hexf84c9c

16272540 has 36 divisors (see below), whose sum is σ = 49360584. Its totient is φ = 4339296.

The previous prime is 16272539. The next prime is 16272547. The reversal of 16272540 is 4527261.

16272540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16272547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45022 + ... + 45381.

Almost surely, 216272540 is an apocalyptic number.

16272540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16272540 is an abundant number, since it is smaller than the sum of its proper divisors (33088044).

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

16272540 is a wasteful number, since it uses less digits than its factorization.

16272540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90418 (or 90413 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16272540 is about 4033.9236482611. The cubic root of 16272540 is about 253.4069076852.

The spelling of 16272540 in words is "sixteen million, two hundred seventy-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 90403 180806 271209 361612 452015 542418 813627 904030 1084836 1356045 1627254 1808060 2712090 3254508 4068135 5424180 8136270 16272540