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230547753 = 32109235013
BaseRepresentation
bin11011011110111…
…10000100101001
3121001211001001200
431233132010221
5433010012003
634513234413
75466423612
oct1557360451
9531731050
10230547753
11109157a37
1265262a09
13389c16b7
1422894c09
15153906a3
hexdbde129

230547753 has 12 divisors (see below), whose sum is σ = 336070020. Its totient is φ = 152287776.

The previous prime is 230547743. The next prime is 230547769. The reversal of 230547753 is 357745032.

It can be written as a sum of positive squares in 2 ways, for example, as 121616784 + 108930969 = 11028^2 + 10437^2 .

It is not a de Polignac number, because 230547753 - 28 = 230547497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230547743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116526 + ... + 118487.

It is an arithmetic number, because the mean of its divisors is an integer number (28005835).

Almost surely, 2230547753 is an apocalyptic number.

It is an amenable number.

230547753 is a deficient number, since it is larger than the sum of its proper divisors (105522267).

230547753 is a wasteful number, since it uses less digits than its factorization.

230547753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235128 (or 235125 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 230547753 is about 15183.7990305457. The cubic root of 230547753 is about 613.1785648072.

The spelling of 230547753 in words is "two hundred thirty million, five hundred forty-seven thousand, seven hundred fifty-three".

Divisors: 1 3 9 109 327 981 235013 705039 2115117 25616417 76849251 230547753