Search a number
-
+
77673468 = 2236472789
BaseRepresentation
bin1001010000100…
…11001111111100
312102011012222010
410220103033330
5124341022333
611412451220
71632133155
oct450231774
9172135863
1077673468
113a932254
1222019b10
1313127442
14a45c92c
156c44563
hex4a133fc

77673468 has 12 divisors (see below), whose sum is σ = 181238120. Its totient is φ = 25891152.

The previous prime is 77673467. The next prime is 77673473. The reversal of 77673468 is 86437677.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×776734682 = 12066335262294048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77673467) 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, 3236383 + ... + 3236406.

Almost surely, 277673468 is an apocalyptic number.

It is an amenable number.

77673468 is an abundant number, since it is smaller than the sum of its proper divisors (103564652).

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

77673468 is a wasteful number, since it uses less digits than its factorization.

77673468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472796 (or 6472794 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The square root of 77673468 is about 8813.2552442330. The cubic root of 77673468 is about 426.6688121094.

The spelling of 77673468 in words is "seventy-seven million, six hundred seventy-three thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 6472789 12945578 19418367 25891156 38836734 77673468