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230254205 = 5173187383
BaseRepresentation
bin11011011100101…
…10011001111101
3121001021010101112
431232112121331
5432421113310
634503051405
75464062026
oct1556263175
9531233345
10230254205
11108a77435
1265140b65
133891abbc
1422819c4d
1515333705
hexdb9667d

230254205 has 16 divisors (see below), whose sum is σ = 301999104. Its totient is φ = 167773440.

The previous prime is 230254187. The next prime is 230254243. The reversal of 230254205 is 502452032.

It is not a de Polignac number, because 230254205 - 210 = 230253181 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, 41057 + ... + 46326.

It is an arithmetic number, because the mean of its divisors is an integer number (18874944).

Almost surely, 2230254205 is an apocalyptic number.

It is an amenable number.

230254205 is a deficient number, since it is larger than the sum of its proper divisors (71744899).

230254205 is a wasteful number, since it uses less digits than its factorization.

230254205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87436.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 230254205 is about 15174.1294643218. The cubic root of 230254205 is about 612.9182083477.

The spelling of 230254205 in words is "two hundred thirty million, two hundred fifty-four thousand, two hundred five".

Divisors: 1 5 17 31 85 155 527 2635 87383 436915 1485511 2708873 7427555 13544365 46050841 230254205