Search a number
-
+
78058079 = 1113751797
BaseRepresentation
bin1001010011100…
…01001001011111
312102212202112222
410221301021133
5124440324304
611425015555
71635324401
oct451611137
9172782488
1078058079
1140075210
12221845bb
1313230518
14a51cb71
156cbd4be
hex4a7125f

78058079 has 8 divisors (see below), whose sum is σ = 85777488. Its totient is φ = 70442560.

The previous prime is 78058069. The next prime is 78058087. The reversal of 78058079 is 97085087.

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

It is a cyclic number.

It is not a de Polignac number, because 78058079 - 220 = 77009503 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 (78058069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24392 + ... + 27405.

It is an arithmetic number, because the mean of its divisors is an integer number (10722186).

Almost surely, 278058079 is an apocalyptic number.

78058079 is a deficient number, since it is larger than the sum of its proper divisors (7719409).

78058079 is a wasteful number, since it uses less digits than its factorization.

78058079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51945.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 78058079 is about 8835.0483303715. The cubic root of 78058079 is about 427.3718896132.

The spelling of 78058079 in words is "seventy-eight million, fifty-eight thousand, seventy-nine".

Divisors: 1 11 137 1507 51797 569767 7096189 78058079