Search a number
-
+
780132 = 22365011
BaseRepresentation
bin10111110011101100100
31110122010210
42332131210
5144431012
624415420
76426303
oct2763544
91418123
10780132
11493141
12317570
13214122
1416443a
1510623c
hexbe764

780132 has 12 divisors (see below), whose sum is σ = 1820336. Its totient is φ = 260040.

The previous prime is 780127. The next prime is 780163. The reversal of 780132 is 231087.

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

It is a junction number, because it is equal to n+sod(n) for n = 780099 and 780108.

It is an unprimeable number.

780132 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32494 + ... + 32517.

2780132 is an apocalyptic number.

It is an amenable number.

780132 is an abundant number, since it is smaller than the sum of its proper divisors (1040204).

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

780132 is a wasteful number, since it uses less digits than its factorization.

780132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65018 (or 65016 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 780132 is about 883.2508137556. The cubic root of 780132 is about 92.0568331889.

The spelling of 780132 in words is "seven hundred eighty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 65011 130022 195033 260044 390066 780132