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272803968 = 2732317639
BaseRepresentation
bin10000010000101…
…010100010000000
3201000022212200200
4100100222202000
51024314211333
643023045200
76521536563
oct2020524200
9630285620
10272803968
1112aa99728
1277440800
1344698188
14283344da
1518e3ac13
hex1042a880

272803968 has 96 divisors (see below), whose sum is σ = 810451200. Its totient is φ = 87989760.

The previous prime is 272803891. The next prime is 272803969. The reversal of 272803968 is 869308272.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (272803969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31893 + ... + 39531.

It is an arithmetic number, because the mean of its divisors is an integer number (8442200).

Almost surely, 2272803968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272803968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405225600).

272803968 is an abundant number, since it is smaller than the sum of its proper divisors (537647232).

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

272803968 is a wasteful number, since it uses less digits than its factorization.

272803968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 272803968 is about 16516.7783783642. The cubic root of 272803968 is about 648.5601010119.

The spelling of 272803968 in words is "two hundred seventy-two million, eight hundred three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 279 288 372 384 496 558 576 744 992 1116 1152 1488 1984 2232 2976 3968 4464 5952 7639 8928 11904 15278 17856 22917 30556 35712 45834 61112 68751 91668 122224 137502 183336 236809 244448 275004 366672 473618 488896 550008 710427 733344 947236 977792 1100016 1420854 1466688 1894472 2131281 2200032 2841708 2933376 3788944 4262562 4400064 5683416 7577888 8525124 8800128 11366832 15155776 17050248 22733664 30311552 34100496 45467328 68200992 90934656 136401984 272803968