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30064605 = 353495743
BaseRepresentation
bin111001010101…
…1111111011101
32002120102212220
41302223333131
530144031410
62552215553
7513354624
oct162537735
962512786
1030064605
1115a74a8a
12a09a5b9
1362c850c
143dc86bb
15298d070
hex1cabfdd

30064605 has 16 divisors (see below), whose sum is σ = 48249600. Its totient is φ = 15985728.

The previous prime is 30064579. The next prime is 30064607. The reversal of 30064605 is 50646003.

It is not a de Polignac number, because 30064605 - 212 = 30060509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30064607) 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, 2364 + ... + 8106.

It is an arithmetic number, because the mean of its divisors is an integer number (3015600).

Almost surely, 230064605 is an apocalyptic number.

It is an amenable number.

30064605 is a deficient number, since it is larger than the sum of its proper divisors (18184995).

30064605 is a wasteful number, since it uses less digits than its factorization.

30064605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30064605 is about 5483.1200059820. The cubic root of 30064605 is about 310.9461381825.

The spelling of 30064605 in words is "thirty million, sixty-four thousand, six hundred five".

Divisors: 1 3 5 15 349 1047 1745 5235 5743 17229 28715 86145 2004307 6012921 10021535 30064605