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68601754 = 2132638529
BaseRepresentation
bin1000001011011…
…00011110011010
311210002022220201
410011230132122
5120030224004
610450212414
71462051054
oct405543632
9153068821
1068601754
11357a6571
121ab8410a
131129c270
14917a8d4
1560516a4
hex416c79a

68601754 has 8 divisors (see below), whose sum is σ = 110818260. Its totient is φ = 31662336.

The previous prime is 68601751. The next prime is 68601773. The reversal of 68601754 is 45710686.

It can be written as a sum of positive squares in 2 ways, for example, as 68508729 + 93025 = 8277^2 + 305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68601751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319239 + ... + 1319290.

Almost surely, 268601754 is an apocalyptic number.

68601754 is a deficient number, since it is larger than the sum of its proper divisors (42216506).

68601754 is a wasteful number, since it uses less digits than its factorization.

68601754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638544.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68601754 is about 8282.6175814171. The cubic root of 68601754 is about 409.3659722501.

The spelling of 68601754 in words is "sixty-eight million, six hundred one thousand, seven hundred fifty-four".

Divisors: 1 2 13 26 2638529 5277058 34300877 68601754