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790321 = 721272
BaseRepresentation
bin11000000111100110001
31111011010011
43000330301
5200242241
624534521
76501100
oct3007461
91434104
10790321
1149a864
12321441
1321895c
14168037
15109281
hexc0f31

790321 has 9 divisors (see below), whose sum is σ = 926649. Its totient is φ = 672084.

The previous prime is 790291. The next prime is 790327. The reversal of 790321 is 123097.

The square root of 790321 is 889.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 790321 - 25 = 790289 is a prime.

It is a Duffinian number.

790321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 790292 and 790301.

It is not an unprimeable number, because it can be changed into a prime (790327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6160 + ... + 6286.

It is an arithmetic number, because the mean of its divisors is an integer number (102961).

790321 is a Friedman number, since it can be written as (910-7*3)^2, using all its digits and the basic arithmetic operations.

2790321 is an apocalyptic number.

790321 is the 889-th square number.

790321 is the 445-th centered octagonal number.

It is an amenable number.

790321 is a deficient number, since it is larger than the sum of its proper divisors (136328).

790321 is an equidigital number, since it uses as much as digits as its factorization.

790321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The cubic root of 790321 is about 92.4558737671.

The spelling of 790321 in words is "seven hundred ninety thousand, three hundred twenty-one".

Divisors: 1 7 49 127 889 6223 16129 112903 790321