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68740167 = 342195431
BaseRepresentation
bin1000001100011…
…10010001000111
311210100100210010
410012032101013
5120044141132
610453201303
71463165436
oct406162107
9153310703
1068740167
1135890561
121b030233
131131a272
1491b511d
15607c6cc
hex418e447

68740167 has 8 divisors (see below), whose sum is σ = 91692160. Its totient is φ = 45807480.

The previous prime is 68740097. The next prime is 68740181. The reversal of 68740167 is 76104786.

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

It is not a de Polignac number, because 68740167 - 28 = 68739911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68740267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9942 + ... + 15372.

It is an arithmetic number, because the mean of its divisors is an integer number (11461520).

Almost surely, 268740167 is an apocalyptic number.

68740167 is a deficient number, since it is larger than the sum of its proper divisors (22951993).

68740167 is a wasteful number, since it uses less digits than its factorization.

68740167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 68740167 is about 8290.9690024749. The cubic root of 68740167 is about 409.6411037363.

The spelling of 68740167 in words is "sixty-eight million, seven hundred forty thousand, one hundred sixty-seven".

Divisors: 1 3 4219 5431 12657 16293 22913389 68740167