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272304990 = 2345536343
BaseRepresentation
bin10000001110110…
…000101101011110
3200222101112020000
4100032300231132
51024202224430
643004235130
76514361046
oct2016605536
9628345200
10272304990
1112a788851
127723baa6
1344552019
1428244726
1518d8ce60
hex103b0b5e

272304990 has 80 divisors (see below), whose sum is σ = 746130528. Its totient is φ = 71233344.

The previous prime is 272304973. The next prime is 272305013. The reversal of 272304990 is 99403272.

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, 39759 + ... + 46101.

Almost surely, 2272304990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272304990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373065264).

272304990 is an abundant number, since it is smaller than the sum of its proper divisors (473825538).

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

272304990 is a wasteful number, since it uses less digits than its factorization.

272304990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415 (or 6406 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 272304990 is about 16501.6662795004. Note that the first 3 decimals coincide. The cubic root of 272304990 is about 648.1644387206.

The spelling of 272304990 in words is "two hundred seventy-two million, three hundred four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 53 54 81 90 106 135 159 162 265 270 318 405 477 530 795 810 954 1431 1590 2385 2862 4293 4770 6343 7155 8586 12686 14310 19029 21465 31715 38058 42930 57087 63430 95145 114174 171261 190290 285435 336179 342522 513783 570870 672358 856305 1008537 1027566 1680895 1712610 2017074 2568915 3025611 3361790 5042685 5137830 6051222 9076833 10085370 15128055 18153666 27230499 30256110 45384165 54460998 90768330 136152495 272304990