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230662012 = 2273891889
BaseRepresentation
bin11011011111110…
…01111101111100
3121002000211210111
431233321331330
5433022141022
634515515404
75500411000
oct1557717574
9532024714
10230662012
11109225869
12652b8b64
1338a316c9
14228c4700
15153b4477
hexdbf9f7c

230662012 has 48 divisors (see below), whose sum is σ = 476280000. Its totient is φ = 97692672.

The previous prime is 230661961. The next prime is 230662043. The reversal of 230662012 is 210266032.

It is a happy 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, 121164 + ... + 123052.

It is an arithmetic number, because the mean of its divisors is an integer number (9922500).

Almost surely, 2230662012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230662012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238140000).

230662012 is an abundant number, since it is smaller than the sum of its proper divisors (245617988).

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

230662012 is a wasteful number, since it uses less digits than its factorization.

230662012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 230662012 is about 15187.5610945273. The cubic root of 230662012 is about 613.2798447631.

The spelling of 230662012 in words is "two hundred thirty million, six hundred sixty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 49 89 98 178 196 343 356 623 686 1246 1372 1889 2492 3778 4361 7556 8722 13223 17444 26446 30527 52892 61054 92561 122108 168121 185122 336242 370244 647927 672484 1176847 1295854 2353694 2591708 4707388 8237929 16475858 32951716 57665503 115331006 230662012