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68058039 = 3722314533
BaseRepresentation
bin1000000111001…
…11101110110111
311202001201002010
410003213232313
5114410324124
610430415303
71454324640
oct403475667
9152051063
1068058039
1135465015
121a961533
131113b93a
1490786c7
155e95529
hex40e7bb7

68058039 has 16 divisors (see below), whose sum is σ = 104179712. Its totient is φ = 38713248.

The previous prime is 68058007. The next prime is 68058043. The reversal of 68058039 is 93085086.

It is not a de Polignac number, because 68058039 - 25 = 68058007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68057988 and 68058006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68058079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2584 + ... + 11949.

It is an arithmetic number, because the mean of its divisors is an integer number (6511232).

Almost surely, 268058039 is an apocalyptic number.

68058039 is a deficient number, since it is larger than the sum of its proper divisors (36121673).

68058039 is a wasteful number, since it uses less digits than its factorization.

68058039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68058039 is about 8249.7296319334. The cubic root of 68058039 is about 408.2816022577.

The spelling of 68058039 in words is "sixty-eight million, fifty-eight thousand, thirty-nine".

Divisors: 1 3 7 21 223 669 1561 4683 14533 43599 101731 305193 3240859 9722577 22686013 68058039