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260972068 = 22719490549
BaseRepresentation
bin11111000111000…
…01111000100100
3200012001202101011
433203201320210
51013302101233
641521312004
76316140340
oct1743417044
9605052334
10260972068
111243481a5
1273495604
13420b4856
1426934620
1517da00cd
hexf8e1e24

260972068 has 24 divisors (see below), whose sum is σ = 549416000. Its totient is φ = 105958368.

The previous prime is 260972039. The next prime is 260972077. The reversal of 260972068 is 860279062.

260972068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 260972068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244743 + ... + 245806.

Almost surely, 2260972068 is an apocalyptic number.

260972068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260972068 is an abundant number, since it is smaller than the sum of its proper divisors (288443932).

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

260972068 is a wasteful number, since it uses less digits than its factorization.

260972068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490579 (or 490577 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 260972068 is about 16154.6299245758. The cubic root of 260972068 is about 639.0448545328.

The spelling of 260972068 in words is "two hundred sixty million, nine hundred seventy-two thousand, sixty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 490549 981098 1962196 3433843 6867686 9320431 13735372 18640862 37281724 65243017 130486034 260972068