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320274137 = 677960509
BaseRepresentation
bin10011000101101…
…111111011011001
3211022122121112002
4103011233323121
51123442233022
651440330345
710636166561
oct2305577331
9738577462
10320274137
11154871777
128b3139b5
1351478c31
143076dda1
151d1b6092
hex1316fed9

320274137 has 8 divisors (see below), whose sum is σ = 329174400. Its totient is φ = 311495184.

The previous prime is 320274077. The next prime is 320274151. The reversal of 320274137 is 731472023.

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 320274137 - 214 = 320257753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320274167) 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, 24962 + ... + 35547.

It is an arithmetic number, because the mean of its divisors is an integer number (41146800).

Almost surely, 2320274137 is an apocalyptic number.

It is an amenable number.

320274137 is a deficient number, since it is larger than the sum of its proper divisors (8900263).

320274137 is an equidigital number, since it uses as much as digits as its factorization.

320274137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60655.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 320274137 is about 17896.2045417457. The cubic root of 320274137 is about 684.1856427868.

The spelling of 320274137 in words is "three hundred twenty million, two hundred seventy-four thousand, one hundred thirty-seven".

Divisors: 1 67 79 5293 60509 4054103 4780211 320274137