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330852805 = 5257257473
BaseRepresentation
bin10011101110000…
…110100111000101
3212001120001201121
4103232012213011
51134144242210
652455153541
711125126303
oct2356064705
9761501647
10330852805
1115a837678
12929758b1
1353710cba
1431d25273
151e0a56da
hex13b869c5

330852805 has 8 divisors (see below), whose sum is σ = 398569752. Its totient is φ = 263651328.

The previous prime is 330852803. The next prime is 330852811. The reversal of 330852805 is 508258033.

It can be written as a sum of positive squares in 4 ways, for example, as 37724164 + 293128641 = 6142^2 + 17121^2 .

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 330852805 - 21 = 330852803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330852803) 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, 127452 + ... + 130021.

It is an arithmetic number, because the mean of its divisors is an integer number (49821219).

Almost surely, 2330852805 is an apocalyptic number.

It is an amenable number.

330852805 is a deficient number, since it is larger than the sum of its proper divisors (67716947).

330852805 is a wasteful number, since it uses less digits than its factorization.

330852805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257735.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 330852805 is about 18189.3596643752. The cubic root of 330852805 is about 691.6370880724.

The spelling of 330852805 in words is "three hundred thirty million, eight hundred fifty-two thousand, eight hundred five".

Divisors: 1 5 257 1285 257473 1287365 66170561 330852805