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272464381 = 754377159
BaseRepresentation
bin10000001111010…
…111100111111101
3200222200121212101
4100033113213331
51024222330011
643011505101
76515623540
oct2017274775
9628617771
10272464381
1112a887582
12772b8191
13445a9737
1428286857
1518dc02c1
hex103d79fd

272464381 has 8 divisors (see below), whose sum is σ = 311488640. Its totient is φ = 233465328.

The previous prime is 272464373. The next prime is 272464391. The reversal of 272464381 is 183464272.

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 272464381 - 23 = 272464373 is a prime.

It is a super-2 number, since 2×2724643812 = 148473677827426322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272464381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272464391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34480 + ... + 41638.

It is an arithmetic number, because the mean of its divisors is an integer number (38936080).

Almost surely, 2272464381 is an apocalyptic number.

It is an amenable number.

272464381 is a deficient number, since it is larger than the sum of its proper divisors (39024259).

272464381 is an equidigital number, since it uses as much as digits as its factorization.

272464381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603.

The product of its digits is 64512, while the sum is 37.

The square root of 272464381 is about 16506.4951155598. The cubic root of 272464381 is about 648.2908795754.

The spelling of 272464381 in words is "two hundred seventy-two million, four hundred sixty-four thousand, three hundred eighty-one".

Divisors: 1 7 5437 7159 38059 50113 38923483 272464381