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272313240 = 23352269277
BaseRepresentation
bin10000001110110…
…010101110011000
3200222101221112120
4100032302232120
51024203010430
643004341240
76514424103
oct2016625630
9628357476
10272313240
1112a793a71
1277244820
13445559c4
142824773a
1518d90610
hex103b2b98

272313240 has 32 divisors (see below), whose sum is σ = 816940080. Its totient is φ = 72616832.

The previous prime is 272313221. The next prime is 272313317. The reversal of 272313240 is 42313272.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 272313240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134519 + ... + 1134758.

Almost surely, 2272313240 is an apocalyptic number.

272313240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272313240 is an abundant number, since it is smaller than the sum of its proper divisors (544626840).

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

272313240 is a wasteful number, since it uses less digits than its factorization.

272313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269291 (or 2269287 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 272313240 is about 16501.9162523629. The cubic root of 272313240 is about 648.1709844479.

The spelling of 272313240 in words is "two hundred seventy-two million, three hundred thirteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2269277 4538554 6807831 9077108 11346385 13615662 18154216 22692770 27231324 34039155 45385540 54462648 68078310 90771080 136156620 272313240