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230505802 = 25913191481
BaseRepresentation
bin11011011110100…
…11110101001010
3121001201220111221
431233103311022
5433002141202
634512312254
75466160402
oct1557236512
9531656457
10230505802
1110912946a
126524268a
13389a8587
1422883802
1515383037
hexdbd3d4a

230505802 has 16 divisors (see below), whose sum is σ = 352123200. Its totient is φ = 113137120.

The previous prime is 230505799. The next prime is 230505859. The reversal of 230505802 is 208505032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154902 + ... + 156382.

It is an arithmetic number, because the mean of its divisors is an integer number (22007700).

Almost surely, 2230505802 is an apocalyptic number.

230505802 is a deficient number, since it is larger than the sum of its proper divisors (121617398).

230505802 is a wasteful number, since it uses less digits than its factorization.

230505802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 230505802 is about 15182.4175281804. The cubic root of 230505802 is about 613.1413707566.

The spelling of 230505802 in words is "two hundred thirty million, five hundred five thousand, eight hundred two".

Divisors: 1 2 59 118 1319 1481 2638 2962 77821 87379 155642 174758 1953439 3906878 115252901 230505802