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30339345 = 353835281
BaseRepresentation
bin111001110111…
…1000100010001
32010002101202110
41303233010101
530231324340
63002135533
7515610621
oct163570421
963071673
1030339345
1116142443
12a1b15a9
13639359a
14405a881
1529e4680
hex1cef111

30339345 has 16 divisors (see below), whose sum is σ = 48678912. Its totient is φ = 16135680.

The previous prime is 30339319. The next prime is 30339347. The reversal of 30339345 is 54393303.

It is not a de Polignac number, because 30339345 - 25 = 30339313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30339347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105 + ... + 8385.

It is an arithmetic number, because the mean of its divisors is an integer number (3042432).

Almost surely, 230339345 is an apocalyptic number.

It is an amenable number.

30339345 is a deficient number, since it is larger than the sum of its proper divisors (18339567).

30339345 is a wasteful number, since it uses less digits than its factorization.

30339345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672.

The product of its (nonzero) digits is 14580, while the sum is 30.

The square root of 30339345 is about 5508.1162841756. The cubic root of 30339345 is about 311.8904427141.

The spelling of 30339345 in words is "thirty million, three hundred thirty-nine thousand, three hundred forty-five".

Divisors: 1 3 5 15 383 1149 1915 5281 5745 15843 26405 79215 2022623 6067869 10113115 30339345