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330804531 = 3237993407
BaseRepresentation
bin10011101101111…
…010110100110011
3212001110121111200
4103231322310303
51134141221111
652454142243
711124535461
oct2355726463
9761417450
10330804531
1115a804382
1292951983
13536c5035
1431d11831
151e096256
hex13b7ad33

330804531 has 12 divisors (see below), whose sum is σ = 490743552. Its totient is φ = 214575696.

The previous prime is 330804451. The next prime is 330804533. The reversal of 330804531 is 135408033.

It is a happy number.

It is not a de Polignac number, because 330804531 - 213 = 330796339 is a prime.

It is a super-2 number, since 2×3308045312 = 218863275460259922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330804495 and 330804504.

It is not an unprimeable number, because it can be changed into a prime (330804533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496371 + ... + 497036.

It is an arithmetic number, because the mean of its divisors is an integer number (40895296).

Almost surely, 2330804531 is an apocalyptic number.

330804531 is a deficient number, since it is larger than the sum of its proper divisors (159939021).

330804531 is a wasteful number, since it uses less digits than its factorization.

330804531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993450 (or 993447 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 330804531 is about 18188.0326313760. The cubic root of 330804531 is about 691.6034480243.

The spelling of 330804531 in words is "three hundred thirty million, eight hundred four thousand, five hundred thirty-one".

Divisors: 1 3 9 37 111 333 993407 2980221 8940663 36756059 110268177 330804531