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30301239 = 310939241
BaseRepresentation
bin111001110010…
…1110000110111
32010000110111010
41303211300313
530224114424
63001243303
7515361543
oct163456067
963013433
1030301239
1116116851
12a193533
13637c137
14404aa23
1529d8229
hex1ce5c37

30301239 has 8 divisors (see below), whose sum is σ = 40442992. Its totient is φ = 20180160.

The previous prime is 30301199. The next prime is 30301241. The reversal of 30301239 is 93210303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30301239 - 28 = 30300983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342 + ... + 7899.

It is an arithmetic number, because the mean of its divisors is an integer number (5055374).

Almost surely, 230301239 is an apocalyptic number.

30301239 is a deficient number, since it is larger than the sum of its proper divisors (10141753).

30301239 is a wasteful number, since it uses less digits than its factorization.

30301239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30301239 is about 5504.6561200496. The cubic root of 30301239 is about 311.7598106205.

The spelling of 30301239 in words is "thirty million, three hundred one thousand, two hundred thirty-nine".

Divisors: 1 3 1093 3279 9241 27723 10100413 30301239