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272809474 = 2719486391
BaseRepresentation
bin10000010000101…
…011111000000010
3201000100011020121
4100100223320002
51024314400344
643023130454
76521561620
oct2020537002
9630304217
10272809474
1112aaa2883
1277443a2a
134469a832
1428336510
1518e3c684
hex1042be02

272809474 has 8 divisors (see below), whose sum is σ = 467673408. Its totient is φ = 116918340.

The previous prime is 272809469. The next prime is 272809483. The reversal of 272809474 is 474908272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 272809474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9743182 + ... + 9743209.

It is an arithmetic number, because the mean of its divisors is an integer number (58459176).

Almost surely, 2272809474 is an apocalyptic number.

272809474 is a deficient number, since it is larger than the sum of its proper divisors (194863934).

272809474 is a wasteful number, since it uses less digits than its factorization.

272809474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19486400.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 272809474 is about 16516.9450565170. The cubic root of 272809474 is about 648.5644642768.

The spelling of 272809474 in words is "two hundred seventy-two million, eight hundred nine thousand, four hundred seventy-four".

Divisors: 1 2 7 14 19486391 38972782 136404737 272809474