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323086145 = 5539712569
BaseRepresentation
bin10011010000011…
…110011101000001
3211111221110212112
4103100132131001
51130202224040
652020505105
711002121054
oct2320363501
9744843775
10323086145
11156412448
129024b195
1351c21b45
1430ca2a9b
151d56e365
hex1341e741

323086145 has 16 divisors (see below), whose sum is σ = 399122640. Its totient is φ = 250957824.

The previous prime is 323086103. The next prime is 323086163. The reversal of 323086145 is 541680323.

It can be written as a sum of positive squares in 8 ways, for example, as 41383489 + 281702656 = 6433^2 + 16784^2 .

It is a cyclic number.

It is not a de Polignac number, because 323086145 - 212 = 323082049 is a prime.

It is a super-2 number, since 2×3230861452 = 208769314181922050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19421 + ... + 31989.

It is an arithmetic number, because the mean of its divisors is an integer number (24945165).

Almost surely, 2323086145 is an apocalyptic number.

It is an amenable number.

323086145 is a deficient number, since it is larger than the sum of its proper divisors (76036495).

323086145 is a wasteful number, since it uses less digits than its factorization.

323086145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 323086145 is about 17974.5972138460. The cubic root of 323086145 is about 686.1821949745.

The spelling of 323086145 in words is "three hundred twenty-three million, eighty-six thousand, one hundred forty-five".

Divisors: 1 5 53 97 265 485 5141 12569 25705 62845 666157 1219193 3330785 6095965 64617229 323086145