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30331299 = 331326143
BaseRepresentation
bin111001110110…
…1000110100011
32010001222201110
41303231012203
530231100144
63002034403
7515545305
oct163550643
963058643
1030331299
1116137399
12a1a8a03
13638ca1b
144057975
1529e20b9
hex1ced1a3

30331299 has 8 divisors (see below), whose sum is σ = 41746432. Its totient is φ = 19568520.

The previous prime is 30331261. The next prime is 30331313. The reversal of 30331299 is 99213303.

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

It is not a de Polignac number, because 30331299 - 212 = 30327203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30331099) 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, 162979 + ... + 163164.

It is an arithmetic number, because the mean of its divisors is an integer number (5218304).

Almost surely, 230331299 is an apocalyptic number.

30331299 is a deficient number, since it is larger than the sum of its proper divisors (11415133).

30331299 is a wasteful number, since it uses less digits than its factorization.

30331299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326177.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 30331299 is about 5507.3858590079. The cubic root of 30331299 is about 311.8628691418.

The spelling of 30331299 in words is "thirty million, three hundred thirty-one thousand, two hundred ninety-nine".

Divisors: 1 3 31 93 326143 978429 10110433 30331299