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272146512 = 24311515429
BaseRepresentation
bin10000001110001…
…010000001010000
3200222002110211110
4100032022001100
51024132142022
643001013320
76513131031
oct2016120120
9628073743
10272146512
1112a68a780
1277184240
13444c7b51
1428202a88
1518d5b00c
hex1038a050

272146512 has 40 divisors (see below), whose sum is σ = 766959840. Its totient is φ = 82468480.

The previous prime is 272146487. The next prime is 272146531. The reversal of 272146512 is 215641272.

272146512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2721465122 = 148127447987532288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 272146512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257187 + ... + 258242.

It is an arithmetic number, because the mean of its divisors is an integer number (19173996).

Almost surely, 2272146512 is an apocalyptic number.

272146512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

272146512 is an abundant number, since it is smaller than the sum of its proper divisors (494813328).

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

272146512 is a wasteful number, since it uses less digits than its factorization.

272146512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515451 (or 515445 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 272146512 is about 16496.8637019283. The cubic root of 272146512 is about 648.0386731987.

Adding to 272146512 its reverse (215641272), we get a palindrome (487787784).

The spelling of 272146512 in words is "two hundred seventy-two million, one hundred forty-six thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 515429 1030858 1546287 2061716 3092574 4123432 5669719 6185148 8246864 11339438 12370296 17009157 22678876 24740592 34018314 45357752 68036628 90715504 136073256 272146512