Search a number
-
+
330842661 = 31715142961
BaseRepresentation
bin10011101110000…
…100001000100101
3212001112112210220
4103232010020211
51134143431121
652455034553
711125054602
oct2356041045
9761475726
10330842661
1115a82aa96
129296ba59
13537094b6
1431d216a9
151e0a26c6
hex13b84225

330842661 has 16 divisors (see below), whose sum is σ = 470176128. Its totient is φ = 206208000.

The previous prime is 330842647. The next prime is 330842663. The reversal of 330842661 is 166248033.

It is not a de Polignac number, because 330842661 - 26 = 330842597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330842663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13780 + ... + 29181.

It is an arithmetic number, because the mean of its divisors is an integer number (29386008).

Almost surely, 2330842661 is an apocalyptic number.

It is an amenable number.

330842661 is a deficient number, since it is larger than the sum of its proper divisors (139333467).

330842661 is a wasteful number, since it uses less digits than its factorization.

330842661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43132.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 330842661 is about 18189.0808178973. The cubic root of 330842661 is about 691.6300194322.

The spelling of 330842661 in words is "three hundred thirty million, eight hundred forty-two thousand, six hundred sixty-one".

Divisors: 1 3 17 51 151 453 2567 7701 42961 128883 730337 2191011 6487111 19461333 110280887 330842661