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68362960 = 2455771481
BaseRepresentation
bin1000001001100…
…10001011010000
311202122012100111
410010302023100
5120000103320
610441131104
71460034631
oct404621320
9152565314
1068362960
1135653116
121aa89a94
1311217673
149117888
156005a5a
hex41322d0

68362960 has 40 divisors (see below), whose sum is σ = 159326856. Its totient is φ = 27279360.

The previous prime is 68362937. The next prime is 68362963. The reversal of 68362960 is 6926386.

It can be written as a sum of positive squares in 4 ways, for example, as 24167056 + 44195904 = 4916^2 + 6648^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68362963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45420 + ... + 46900.

Almost surely, 268362960 is an apocalyptic number.

It is an amenable number.

68362960 is an abundant number, since it is smaller than the sum of its proper divisors (90963896).

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

68362960 is a wasteful number, since it uses less digits than its factorization.

68362960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 68362960 is about 8268.1896446562. The cubic root of 68362960 is about 408.8904363958.

The spelling of 68362960 in words is "sixty-eight million, three hundred sixty-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 577 1154 1481 2308 2885 2962 4616 5770 5924 7405 9232 11540 11848 14810 23080 23696 29620 46160 59240 118480 854537 1709074 3418148 4272685 6836296 8545370 13672592 17090740 34181480 68362960