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272672730 = 2355111012
BaseRepresentation
bin10000010000001…
…010011111011010
3201000002012200000
4100100022133122
51024301011410
643020153430
76520452141
oct2020123732
9630065600
10272672730
1112aa0a070
1277398876
1344650515
14282dc758
1518e11dc0
hex1040a7da

272672730 has 144 divisors (see below), whose sum is σ = 810063072. Its totient is φ = 65448000.

The previous prime is 272672717. The next prime is 272672737. The reversal of 272672730 is 37276272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272672737) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2699680 + ... + 2699780.

It is an arithmetic number, because the mean of its divisors is an integer number (5625438).

Almost surely, 2272672730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272672730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405031536).

272672730 is an abundant number, since it is smaller than the sum of its proper divisors (537390342).

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

272672730 is a wasteful number, since it uses less digits than its factorization.

272672730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 272672730 is about 16512.8050312477. The cubic root of 272672730 is about 648.4560832396.

The spelling of 272672730 in words is "two hundred seventy-two million, six hundred seventy-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 101 110 135 162 165 198 202 243 270 297 303 330 405 486 495 505 594 606 810 891 909 990 1010 1111 1215 1485 1515 1782 1818 2222 2430 2673 2727 2970 3030 3333 4455 4545 5346 5454 5555 6666 8181 8910 9090 9999 10201 11110 13365 13635 16362 16665 19998 20402 24543 26730 27270 29997 30603 33330 40905 49086 49995 51005 59994 61206 81810 89991 91809 99990 102010 112211 122715 149985 153015 179982 183618 224422 245430 269973 275427 299970 306030 336633 449955 459045 539946 550854 561055 673266 826281 899910 918090 1009899 1122110 1349865 1377135 1652562 1683165 2019798 2478843 2699730 2754270 3029697 3366330 4131405 4957686 5049495 6059394 8262810 9089091 10098990 12394215 15148485 18178182 24788430 27267273 30296970 45445455 54534546 90890910 136336365 272672730