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30416605 = 56083321
BaseRepresentation
bin111010000000…
…1111011011101
32010020022201221
41310001323131
530241312410
63003533341
7516352102
oct164017335
963208657
1030416605
111619549a
12a22a251
1363bc7bb
14407aaa9
152a0c4da
hex1d01edd

30416605 has 4 divisors (see below), whose sum is σ = 36499932. Its totient is φ = 24333280.

The previous prime is 30416597. The next prime is 30416641. The reversal of 30416605 is 50661403.

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 18507204 + 11909401 = 4302^2 + 3451^2 .

It is not a de Polignac number, because 30416605 - 23 = 30416597 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 30416605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041656 + ... + 3041665.

It is an arithmetic number, because the mean of its divisors is an integer number (9124983).

Almost surely, 230416605 is an apocalyptic number.

It is an amenable number.

30416605 is a deficient number, since it is larger than the sum of its proper divisors (6083327).

30416605 is an equidigital number, since it uses as much as digits as its factorization.

30416605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083326.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30416605 is about 5515.1251119082. The cubic root of 30416605 is about 312.1549642479.

The spelling of 30416605 in words is "thirty million, four hundred sixteen thousand, six hundred five".

Divisors: 1 5 6083321 30416605