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325686242 = 27218232
BaseRepresentation
bin10011011010011…
…001001111100010
3211200211120112102
4103122121033202
51131333424432
652152330402
711033200400
oct2332311742
9750746472
10325686242
11157928992
12910a3a02
135262246b
143137c470
151d8d4962
hex136993e2

325686242 has 18 divisors (see below), whose sum is σ = 568601163. Its totient is φ = 139503252.

The previous prime is 325686241. The next prime is 325686253. The reversal of 325686242 is 242686523.

It can be written as a sum of positive squares in only one way, i.e., 162843121 + 162843121 = 12761^2 + 12761^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=12761.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325686196 and 325686205.

It is not an unprimeable number, because it can be changed into a prime (325686241) 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, 177743 + ... + 179565.

Almost surely, 2325686242 is an apocalyptic number.

325686242 is a deficient number, since it is larger than the sum of its proper divisors (242914921).

325686242 is an frugal number, since it uses more digits than its factorization.

325686242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662 (or 1832 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 325686242 is about 18046.7792694431. The cubic root of 325686242 is about 688.0180061652.

It can be divided in two parts, 3256 and 86242, that added together give a palindrome (89498).

The spelling of 325686242 in words is "three hundred twenty-five million, six hundred eighty-six thousand, two hundred forty-two".

Divisors: 1 2 7 14 49 98 1823 3646 12761 25522 89327 178654 3323329 6646658 23263303 46526606 162843121 325686242