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320104002 = 23131407257
BaseRepresentation
bin10011000101000…
…110011001000010
3211022022222010210
4103011012121002
51123421312002
651432534550
710634560551
oct2305063102
9738288123
10320104002
11154765969
128b251456
135141966a
1430727d98
151d18096c
hex13146642

320104002 has 16 divisors (see below), whose sum is σ = 645096672. Its totient is φ = 105886560.

The previous prime is 320103991. The next prime is 320104049. The reversal of 320104002 is 200401023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202843 + ... + 204414.

It is an arithmetic number, because the mean of its divisors is an integer number (40318542).

Almost surely, 2320104002 is an apocalyptic number.

320104002 is an abundant number, since it is smaller than the sum of its proper divisors (324992670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320104002 is a wasteful number, since it uses less digits than its factorization.

320104002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407393.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 320104002 is about 17891.4505281154. The cubic root of 320104002 is about 684.0644710271.

Adding to 320104002 its reverse (200401023), we get a palindrome (520505025).

The spelling of 320104002 in words is "three hundred twenty million, one hundred four thousand, two".

Divisors: 1 2 3 6 131 262 393 786 407257 814514 1221771 2443542 53350667 106701334 160052001 320104002