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230884890 = 23510970607
BaseRepresentation
bin11011100001100…
…00011000011010
3121002110011112020
431300300120122
5433101304030
634524355310
75502326535
oct1560603032
9532404466
10230884890
11109368265
12653a5b36
1338aabca2
1422941a1c
151540a510
hexdc3061a

230884890 has 32 divisors (see below), whose sum is σ = 559215360. Its totient is φ = 61003584.

The previous prime is 230884883. The next prime is 230884897. The reversal of 230884890 is 98488032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230884883) and next prime (230884897).

It is not an unprimeable number, because it can be changed into a prime (230884897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32034 + ... + 38573.

It is an arithmetic number, because the mean of its divisors is an integer number (17475480).

Almost surely, 2230884890 is an apocalyptic number.

230884890 is an abundant number, since it is smaller than the sum of its proper divisors (328330470).

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

230884890 is a wasteful number, since it uses less digits than its factorization.

230884890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70726.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 230884890 is about 15194.8968407160. The cubic root of 230884890 is about 613.4773091296.

The spelling of 230884890 in words is "two hundred thirty million, eight hundred eighty-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 70607 141214 211821 353035 423642 706070 1059105 2118210 7696163 15392326 23088489 38480815 46176978 76961630 115442445 230884890