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230964790 = 25789131283
BaseRepresentation
bin11011100010000…
…11111000110110
3121002121020010111
431301003320312
5433111333130
634530213234
75503111510
oct1561037066
9532536114
10230964790
111094122a1
126542421a
1338b09474
1422962bb0
151542402a
hexdc43e36

230964790 has 64 divisors (see below), whose sum is σ = 485844480. Its totient is φ = 77425920.

The previous prime is 230964761. The next prime is 230964791. The reversal of 230964790 is 97469032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230964791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 815989 + ... + 816271.

It is an arithmetic number, because the mean of its divisors is an integer number (7591320).

Almost surely, 2230964790 is an apocalyptic number.

230964790 is an abundant number, since it is smaller than the sum of its proper divisors (254879690).

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

230964790 is a wasteful number, since it uses less digits than its factorization.

230964790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 230964790 is about 15197.5257854692. The cubic root of 230964790 is about 613.5480675983.

The spelling of 230964790 in words is "two hundred thirty million, nine hundred sixty-four thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 89 131 178 262 283 445 566 623 655 890 917 1246 1310 1415 1834 1981 2830 3115 3962 4585 6230 9170 9905 11659 19810 23318 25187 37073 50374 58295 74146 81613 116590 125935 163226 176309 185365 251870 259511 352618 370730 408065 519022 816130 881545 1297555 1763090 2595110 3299497 6598994 16497485 23096479 32994970 46192958 115482395 230964790