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272149470 = 2345794253
BaseRepresentation
bin10000001110001…
…010101111011110
3200222002121220000
4100032022233132
51024132240340
643001035130
76513142455
oct2016125736
9628077800
10272149470
1112a691a1a
1277185aa6
13444c92b8
1428203b9c
1518d5bd30
hex1038abde

272149470 has 80 divisors (see below), whose sum is σ = 741216960. Its totient is φ = 71637696.

The previous prime is 272149469. The next prime is 272149489. The reversal of 272149470 is 74941272.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61864 + ... + 66116.

It is an arithmetic number, because the mean of its divisors is an integer number (9265212).

Almost surely, 2272149470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272149470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370608480).

272149470 is an abundant number, since it is smaller than the sum of its proper divisors (469067490).

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

272149470 is a wasteful number, since it uses less digits than its factorization.

272149470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 272149470 is about 16496.9533550895. The cubic root of 272149470 is about 648.0410210657.

The spelling of 272149470 in words is "two hundred seventy-two million, one hundred forty-nine thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 79 81 90 135 158 162 237 270 395 405 474 711 790 810 1185 1422 2133 2370 3555 4253 4266 6399 7110 8506 10665 12759 12798 21265 21330 25518 31995 38277 42530 63795 63990 76554 114831 127590 191385 229662 335987 344493 382770 574155 671974 688986 1007961 1148310 1679935 1722465 2015922 3023883 3359870 3444930 5039805 6047766 9071649 10079610 15119415 18143298 27214947 30238830 45358245 54429894 90716490 136074735 272149470