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230252845 = 5177513607
BaseRepresentation
bin11011011100101…
…10000100101101
3121001021001112011
431232112010231
5432421042340
634503041221
75464055044
oct1556260455
9531231464
10230252845
11108a76409
1265140211
133891a3b4
142281955b
15153330ea
hexdb9612d

230252845 has 16 divisors (see below), whose sum is σ = 293027328. Its totient is φ = 173088000.

The previous prime is 230252833. The next prime is 230252851. The reversal of 230252845 is 548252032.

It is not a de Polignac number, because 230252845 - 219 = 229728557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62032 + ... + 65638.

It is an arithmetic number, because the mean of its divisors is an integer number (18314208).

Almost surely, 2230252845 is an apocalyptic number.

It is an amenable number.

230252845 is a deficient number, since it is larger than the sum of its proper divisors (62774483).

230252845 is a wasteful number, since it uses less digits than its factorization.

230252845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 230252845 is about 15174.0846511412. The cubic root of 230252845 is about 612.9170016084.

The spelling of 230252845 in words is "two hundred thirty million, two hundred fifty-two thousand, eight hundred forty-five".

Divisors: 1 5 17 85 751 3607 3755 12767 18035 61319 63835 306595 2708857 13544285 46050569 230252845