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272274540 = 22354537909
BaseRepresentation
bin10000001110101…
…001010001101100
3200222022222110020
4100032221101230
51024200241130
643003442140
76514203216
oct2016512154
9628288406
10272274540
1112a76798a
1277226350
13445411c5
14282375b6
1518d83e10
hex103a946c

272274540 has 24 divisors (see below), whose sum is σ = 762368880. Its totient is φ = 72606528.

The previous prime is 272274523. The next prime is 272274547. The reversal of 272274540 is 45472272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (272274547) 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, 2268895 + ... + 2269014.

It is an arithmetic number, because the mean of its divisors is an integer number (31765370).

Almost surely, 2272274540 is an apocalyptic number.

272274540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272274540 is an abundant number, since it is smaller than the sum of its proper divisors (490094340).

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

272274540 is a wasteful number, since it uses less digits than its factorization.

272274540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537921 (or 4537919 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 272274540 is about 16500.7436196070. The cubic root of 272274540 is about 648.1402778916.

The spelling of 272274540 in words is "two hundred seventy-two million, two hundred seventy-four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4537909 9075818 13613727 18151636 22689545 27227454 45379090 54454908 68068635 90758180 136137270 272274540