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68609026 = 237927149
BaseRepresentation
bin1000001011011…
…10010000000010
311210002200220001
410011232100002
5120030442101
610450310214
71462111213
oct405562002
9153080801
1068609026
1135800a82
121ab8836a
13112a2675
14917d40a
156053901
hex416e402

68609026 has 8 divisors (see below), whose sum is σ = 105695100. Its totient is φ = 33377328.

The previous prime is 68609017. The next prime is 68609029. The reversal of 68609026 is 62090686.

It can be written as a sum of positive squares in 2 ways, for example, as 55279225 + 13329801 = 7435^2 + 3651^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (68609029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463501 + ... + 463648.

Almost surely, 268609026 is an apocalyptic number.

68609026 is a deficient number, since it is larger than the sum of its proper divisors (37086074).

68609026 is a wasteful number, since it uses less digits than its factorization.

68609026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927188.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68609026 is about 8283.0565614391. The cubic root of 68609026 is about 409.3804364292.

The spelling of 68609026 in words is "sixty-eight million, six hundred nine thousand, twenty-six".

Divisors: 1 2 37 74 927149 1854298 34304513 68609026