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772993 = 1397613
BaseRepresentation
bin10111100101110000001
31110021100101
42330232001
5144213433
624322401
76366424
oct2745601
91407311
10772993
11488841
12313401
13210ac0
141619bb
1510407d
hexbcb81

772993 has 8 divisors (see below), whose sum is σ = 842408. Its totient is φ = 705024.

The previous prime is 772991. The next prime is 773021. The reversal of 772993 is 399277.

772993 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 4 ways, for example, as 28224 + 744769 = 168^2 + 863^2 .

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 772993 - 21 = 772991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772991) 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, 955 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (105301).

2772993 is an apocalyptic number.

It is an amenable number.

772993 is a deficient number, since it is larger than the sum of its proper divisors (69415).

772993 is a wasteful number, since it uses less digits than its factorization.

772993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its digits is 23814, while the sum is 37.

The square root of 772993 is about 879.2002047316. The cubic root of 772993 is about 91.7751677573.

The spelling of 772993 in words is "seven hundred seventy-two thousand, nine hundred ninety-three".

Divisors: 1 13 97 613 1261 7969 59461 772993