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230331299 = 1181125819
BaseRepresentation
bin11011011101010…
…01001110100011
3121001102001010212
431232221032203
5432431100144
634504444335
75464532552
oct1556511643
9531361125
10230331299
1110901a350
12651796ab
1338947013
1422839d99
151534b49e
hexdba93a3

230331299 has 8 divisors (see below), whose sum is σ = 251590080. Its totient is φ = 209125800.

The previous prime is 230331289. The next prime is 230331341. The reversal of 230331299 is 992133032.

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

It is a cyclic number.

It is not a de Polignac number, because 230331299 - 28 = 230331043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230331229) 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, 3989 + ... + 21830.

It is an arithmetic number, because the mean of its divisors is an integer number (31448760).

Almost surely, 2230331299 is an apocalyptic number.

230331299 is a deficient number, since it is larger than the sum of its proper divisors (21258781).

230331299 is a wasteful number, since it uses less digits than its factorization.

230331299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26641.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 230331299 is about 15176.6695621931. The cubic root of 230331299 is about 612.9866067275.

The spelling of 230331299 in words is "two hundred thirty million, three hundred thirty-one thousand, two hundred ninety-nine".

Divisors: 1 11 811 8921 25819 284009 20939209 230331299