Search a number
-
+
77068516 = 2272752447
BaseRepresentation
bin1001001011111…
…11100011100100
312101000111010111
410211333203210
5124212143031
611351502404
71624033360
oct445774344
9171014114
1077068516
113a559798
1221987a04
1312c74c95
14a3422a0
156b751b1
hex497f8e4

77068516 has 12 divisors (see below), whose sum is σ = 154137088. Its totient is φ = 33029352.

The previous prime is 77068493. The next prime is 77068601. The reversal of 77068516 is 61586077.

77068516 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376196 + ... + 1376251.

Almost surely, 277068516 is an apocalyptic number.

It is an amenable number.

77068516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77068516 is a wasteful number, since it uses less digits than its factorization.

77068516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752458 (or 2752456 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 77068516 is about 8778.8675807304. The cubic root of 77068516 is about 425.5582348378.

The spelling of 77068516 in words is "seventy-seven million, sixty-eight thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 28 2752447 5504894 11009788 19267129 38534258 77068516