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230107400 = 23521150537
BaseRepresentation
bin11011011011100…
…10100100001000
3121000222200000022
431231302210020
5432401414100
634500000012
75462611025
oct1555624410
9530880008
10230107400
11108987106
1265090008
1338899133
14227bc54c
1515304e85
hexdb72908

230107400 has 24 divisors (see below), whose sum is σ = 535000170. Its totient is φ = 92042880.

The previous prime is 230107399. The next prime is 230107439. The reversal of 230107400 is 4701032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 121572676 + 108534724 = 11026^2 + 10418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575069 + ... + 575468.

Almost surely, 2230107400 is an apocalyptic number.

230107400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230107400 is an abundant number, since it is smaller than the sum of its proper divisors (304892770).

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

230107400 is a wasteful number, since it uses less digits than its factorization.

230107400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150553 (or 1150544 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 230107400 is about 15169.2913479833. The cubic root of 230107400 is about 612.7879196127.

Adding to 230107400 its reverse (4701032), we get a palindrome (234808432).

The spelling of 230107400 in words is "two hundred thirty million, one hundred seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1150537 2301074 4602148 5752685 9204296 11505370 23010740 28763425 46021480 57526850 115053700 230107400