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68042132 = 2273233021
BaseRepresentation
bin1000000111000…
…11110110010100
311202000220020222
410003203312110
5114404322012
610430213512
71454230364
oct403436624
9152026228
1068042132
1135454074
121a954298
1311134622
1490729a4
155e90972
hex40e3d94

68042132 has 12 divisors (see below), whose sum is σ = 120705396. Its totient is φ = 33554880.

The previous prime is 68042123. The next prime is 68042141. The reversal of 68042132 is 23124086.

It is an interprime number because it is at equal distance from previous prime (68042123) and next prime (68042141).

It can be written as a sum of positive squares in 2 ways, for example, as 50183056 + 17859076 = 7084^2 + 4226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116219 + ... + 116802.

It is an arithmetic number, because the mean of its divisors is an integer number (10058783).

Almost surely, 268042132 is an apocalyptic number.

It is an amenable number.

68042132 is a deficient number, since it is larger than the sum of its proper divisors (52663264).

68042132 is a wasteful number, since it uses less digits than its factorization.

68042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233098 (or 233096 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 68042132 is about 8248.7654833920. The cubic root of 68042132 is about 408.2497909704.

The spelling of 68042132 in words is "sixty-eight million, forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 73 146 292 233021 466042 932084 17010533 34021066 68042132