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68946459 = 3191209587
BaseRepresentation
bin1000001110000…
…00101000011011
311210201211202120
410013000220123
5120122241314
610501432323
71465015041
oct407005033
9153654676
1068946459
1135a1154a
121b10b6a3
131139012a
14922a391
1560bd8a9
hex41c0a1b

68946459 has 8 divisors (see below), whose sum is σ = 96767040. Its totient is φ = 43545096.

The previous prime is 68946419. The next prime is 68946463. The reversal of 68946459 is 95464986.

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

It is not a de Polignac number, because 68946459 - 223 = 60557851 is a prime.

It is a super-2 number, since 2×689464592 = 9507228417277362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68946419) 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, 604737 + ... + 604850.

It is an arithmetic number, because the mean of its divisors is an integer number (12095880).

Almost surely, 268946459 is an apocalyptic number.

68946459 is a deficient number, since it is larger than the sum of its proper divisors (27820581).

68946459 is a wasteful number, since it uses less digits than its factorization.

68946459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209609.

The product of its digits is 1866240, while the sum is 51.

The square root of 68946459 is about 8303.4004480092. The cubic root of 68946459 is about 410.0504776241.

The spelling of 68946459 in words is "sixty-eight million, nine hundred forty-six thousand, four hundred fifty-nine".

Divisors: 1 3 19 57 1209587 3628761 22982153 68946459