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320994797 = 1973231431
BaseRepresentation
bin10011001000011…
…111110111101101
3211101000020002012
4103020133313231
51124133313142
651504011005
710645260614
oct2310376755
9741006065
10320994797
11155214162
128b600a65
135166bc66
14308ba87b
151d2a9882
hex1321fded

320994797 has 8 divisors (see below), whose sum is σ = 342519360. Its totient is φ = 299933280.

The previous prime is 320994767. The next prime is 320994803. The reversal of 320994797 is 797499023.

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 320994797 - 26 = 320994733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320994767) 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, 114329 + ... + 117102.

It is an arithmetic number, because the mean of its divisors is an integer number (42814920).

Almost surely, 2320994797 is an apocalyptic number.

It is an amenable number.

320994797 is a deficient number, since it is larger than the sum of its proper divisors (21524563).

320994797 is a wasteful number, since it uses less digits than its factorization.

320994797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231523.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 320994797 is about 17916.3276650099. The cubic root of 320994797 is about 684.6984283549.

The spelling of 320994797 in words is "three hundred twenty million, nine hundred ninety-four thousand, seven hundred ninety-seven".

Divisors: 1 19 73 1387 231431 4397189 16894463 320994797