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272868768 = 25321755733
BaseRepresentation
bin10000010000111…
…010010110100000
3201000110011120200
4100100322112200
51024323300033
643024305200
76522226524
oct2020722640
9630404520
10272868768
11130033387
1277472200
13446bb813
142834dd84
1518e50013
hex1043a5a0

272868768 has 72 divisors (see below), whose sum is σ = 821630628. Its totient is φ = 85604352.

The previous prime is 272868763. The next prime is 272868773. The reversal of 272868768 is 867868272.

It is an interprime number because it is at equal distance from previous prime (272868763) and next prime (272868773).

It can be written as a sum of positive squares in 2 ways, for example, as 235561104 + 37307664 = 15348^2 + 6108^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (272868763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22971 + ... + 32762.

Almost surely, 2272868768 is an apocalyptic number.

It is an amenable number.

272868768 is an abundant number, since it is smaller than the sum of its proper divisors (548761860).

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

272868768 is a wasteful number, since it uses less digits than its factorization.

272868768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55766 (or 55755 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 272868768 is about 16518.7399035156. The cubic root of 272868768 is about 648.6114484657.

The spelling of 272868768 in words is "two hundred seventy-two million, eight hundred sixty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 55733 111466 167199 222932 334398 445864 501597 668796 891728 947461 1003194 1337592 1783456 1894922 2006388 2675184 2842383 3789844 4012776 5350368 5684766 7579688 8025552 8527149 11369532 15159376 16051104 17054298 22739064 30318752 34108596 45478128 68217192 90956256 136434384 272868768