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768772 = 22192193
BaseRepresentation
bin10111011101100000100
31110001120001
42323230010
5144100042
624251044
76351214
oct2735404
91401501
10768772
11485654
12310a84
1320bbc4
14160244
15102bb7
hexbbb04

768772 has 6 divisors (see below), whose sum is σ = 1345358. Its totient is φ = 384384.

The previous prime is 768767. The next prime is 768773. The reversal of 768772 is 277867.

768772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 341056 = 654^2 + 584^2 .

It is not an unprimeable number, because it can be changed into a prime (768773) by changing a digit.

768772 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 as a sum of consecutive naturals, namely, 96093 + ... + 96100.

2768772 is an apocalyptic number.

It is an amenable number.

768772 is a deficient number, since it is larger than the sum of its proper divisors (576586).

768772 is a wasteful number, since it uses less digits than its factorization.

768772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192197 (or 192195 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 768772 is about 876.7964415986. The cubic root of 768772 is about 91.6078138297.

It can be divided in two parts, 768 and 772, that added together give a triangular number (1540 = T55).

The spelling of 768772 in words is "seven hundred sixty-eight thousand, seven hundred seventy-two".

Divisors: 1 2 4 192193 384386 768772