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230251450 = 252111332203
BaseRepresentation
bin11011011100101…
…01101110111010
3121001020222121111
431232111232322
5432421021300
634503030534
75464051012
oct1556255672
9531228544
10230251450
11108a75360
126513b44a
1338919880
1422818c42
15153329ba
hexdb95bba

230251450 has 48 divisors (see below), whose sum is σ = 503155296. Its totient is φ = 77284800.

The previous prime is 230251421. The next prime is 230251457. The reversal of 230251450 is 54152032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (230251457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8952 + ... + 23251.

It is an arithmetic number, because the mean of its divisors is an integer number (10482402).

Almost surely, 2230251450 is an apocalyptic number.

230251450 is an abundant number, since it is smaller than the sum of its proper divisors (272903846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230251450 is a wasteful number, since it uses less digits than its factorization.

230251450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32239 (or 32234 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 230251450 is about 15174.0386845428. The cubic root of 230251450 is about 612.9157638084.

The spelling of 230251450 in words is "two hundred thirty million, two hundred fifty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 11 13 22 25 26 50 55 65 110 130 143 275 286 325 550 650 715 1430 3575 7150 32203 64406 161015 322030 354233 418639 708466 805075 837278 1610150 1771165 2093195 3542330 4186390 4605029 8855825 9210058 10465975 17711650 20931950 23025145 46050290 115125725 230251450