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68771542 = 274912253
BaseRepresentation
bin1000001100101…
…01111011010110
311210101221211011
410012111323112
5120101142132
610454002434
71463356060
oct406257326
9153357734
1068771542
1135902094
121b04641a
131132b628
1491c2730
156086b47
hex4195ed6

68771542 has 8 divisors (see below), whose sum is σ = 117894096. Its totient is φ = 29473512.

The previous prime is 68771537. The next prime is 68771543. The reversal of 68771542 is 24517786.

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

It is a junction number, because it is equal to n+sod(n) for n = 68771495 and 68771504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68771543) 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, 2456113 + ... + 2456140.

It is an arithmetic number, because the mean of its divisors is an integer number (14736762).

Almost surely, 268771542 is an apocalyptic number.

68771542 is a deficient number, since it is larger than the sum of its proper divisors (49122554).

68771542 is a wasteful number, since it uses less digits than its factorization.

68771542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912262.

The product of its digits is 94080, while the sum is 40.

The square root of 68771542 is about 8292.8609056224. The cubic root of 68771542 is about 409.7034182717.

The spelling of 68771542 in words is "sixty-eight million, seven hundred seventy-one thousand, five hundred forty-two".

Divisors: 1 2 7 14 4912253 9824506 34385771 68771542