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920331307 = 7831584047
BaseRepresentation
bin110110110110110…
…010010000101011
32101010202200012201
4312312302100223
53341101100212
6231153521031
731543454440
oct6666622053
92333680181
10920331307
11432559595
12218273177
1311889484c
148a32d9c7
1555be5b57
hex36db242b

920331307 has 8 divisors (see below), whose sum is σ = 1064480256. Its totient is φ = 779350632.

The previous prime is 920331301. The next prime is 920331319. The reversal of 920331307 is 703133029.

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 920331307 - 219 = 919807019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (920331301) 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, 791443 + ... + 792604.

It is an arithmetic number, because the mean of its divisors is an integer number (133060032).

Almost surely, 2920331307 is an apocalyptic number.

920331307 is a deficient number, since it is larger than the sum of its proper divisors (144148949).

920331307 is a wasteful number, since it uses less digits than its factorization.

920331307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584137.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 920331307 is about 30336.9627187693. The cubic root of 920331307 is about 972.7055605719.

The spelling of 920331307 in words is "nine hundred twenty million, three hundred thirty-one thousand, three hundred seven".

Divisors: 1 7 83 581 1584047 11088329 131475901 920331307