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30444707 = 191602353
BaseRepresentation
bin111010000100…
…0110010100011
32010021202021202
41310020302203
530243212312
63004311415
7516530036
oct164106243
963252252
1030444707
1116204617
12a24256b
1363cc527
14408701d
152a159c2
hex1d08ca3

30444707 has 4 divisors (see below), whose sum is σ = 32047080. Its totient is φ = 28842336.

The previous prime is 30444703. The next prime is 30444719. The reversal of 30444707 is 70744403.

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

It is a cyclic number.

It is not a de Polignac number, because 30444707 - 22 = 30444703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30444707.

It is not an unprimeable number, because it can be changed into a prime (30444703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801158 + ... + 801195.

It is an arithmetic number, because the mean of its divisors is an integer number (8011770).

Almost surely, 230444707 is an apocalyptic number.

30444707 is a deficient number, since it is larger than the sum of its proper divisors (1602373).

30444707 is a wasteful number, since it uses less digits than its factorization.

30444707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602372.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 30444707 is about 5517.6722447061. The cubic root of 30444707 is about 312.2510683183.

The spelling of 30444707 in words is "thirty million, four hundred forty-four thousand, seven hundred seven".

Divisors: 1 19 1602353 30444707