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330047077 = 2381138617
BaseRepresentation
bin10011101011000…
…001111001100101
3212000001010110211
4103223001321211
51133443001302
652430015421
711115232243
oct2353017145
9760033424
10330047077
1115a337288
1292647571
13534bb339
1431b95793
151de96ad7
hex13ac1e65

330047077 has 4 divisors (see below), whose sum is σ = 330188076. Its totient is φ = 329906080.

The previous prime is 330047071. The next prime is 330047087. The reversal of 330047077 is 770740033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76632516 + 253414561 = 8754^2 + 15919^2 .

It is a cyclic number.

It is not a de Polignac number, because 330047077 - 215 = 330014309 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 (330047071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66928 + ... + 71689.

It is an arithmetic number, because the mean of its divisors is an integer number (82547019).

Almost surely, 2330047077 is an apocalyptic number.

It is an amenable number.

330047077 is a deficient number, since it is larger than the sum of its proper divisors (140999).

330047077 is a wasteful number, since it uses less digits than its factorization.

330047077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140998.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 330047077 is about 18167.1978301553. The cubic root of 330047077 is about 691.0751822461.

The spelling of 330047077 in words is "three hundred thirty million, forty-seven thousand, seventy-seven".

Divisors: 1 2381 138617 330047077