Search a number
-
+
230107870 = 25237691301
BaseRepresentation
bin11011011011100…
…10101011011110
3121000222200122201
431231302223132
5432401422440
634500002114
75462612266
oct1555625336
9530880581
10230107870
111089874a3
126509033a
1338899405
14227bc7a6
151530519a
hexdb72ade

230107870 has 32 divisors (see below), whose sum is σ = 433097280. Its totient is φ = 87859200.

The previous prime is 230107849. The next prime is 230107877. The reversal of 230107870 is 78701032.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230107877) 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, 176220 + ... + 177520.

It is an arithmetic number, because the mean of its divisors is an integer number (13534290).

Almost surely, 2230107870 is an apocalyptic number.

230107870 is a deficient number, since it is larger than the sum of its proper divisors (202989410).

230107870 is a wasteful number, since it uses less digits than its factorization.

230107870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 230107870 is about 15169.3068397999. The cubic root of 230107870 is about 612.7883368239.

The spelling of 230107870 in words is "two hundred thirty million, one hundred seven thousand, eight hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 769 1301 1538 2602 3845 6505 7690 13010 17687 29923 35374 59846 88435 149615 176870 299230 1000469 2000938 5002345 10004690 23010787 46021574 115053935 230107870