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68001642 = 232127151197
BaseRepresentation
bin1000000110110…
…01111101101010
311201221211201100
410003121331222
5114402023032
610425302230
71454001342
oct403317552
9151854640
1068001642
1135426705
121a934976
131111c077
149061d22
155e8397c
hex40d9f6a

68001642 has 48 divisors (see below), whose sum is σ = 150239232. Its totient is φ = 22226400.

The previous prime is 68001611. The next prime is 68001653. The reversal of 68001642 is 24610086.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345088 + ... + 345284.

It is an arithmetic number, because the mean of its divisors is an integer number (3129984).

Almost surely, 268001642 is an apocalyptic number.

68001642 is an abundant number, since it is smaller than the sum of its proper divisors (82237590).

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

68001642 is a wasteful number, since it uses less digits than its factorization.

68001642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 68001642 is about 8246.3108115084. The cubic root of 68001642 is about 408.1687954975.

The spelling of 68001642 in words is "sixty-eight million, one thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 127 151 197 254 302 381 394 453 591 762 906 1143 1182 1359 1773 2286 2718 3546 19177 25019 29747 38354 50038 57531 59494 75057 89241 115062 150114 172593 178482 225171 267723 345186 450342 535446 3777869 7555738 11333607 22667214 34000821 68001642