Search a number
-
+
230130414 = 23212785023
BaseRepresentation
bin11011011011110…
…00001011101110
3121001000211120200
431231320023232
5432403133124
634500254330
75463035103
oct1555701356
9531024520
10230130414
111089a2428
12650a13a6
13388a6757
14227c6aaa
151530bbc9
hexdb782ee

230130414 has 12 divisors (see below), whose sum is σ = 498615936. Its totient is φ = 76710132.

The previous prime is 230130401. The next prime is 230130431. The reversal of 230130414 is 414031032.

It is a super-2 number, since 2×2301304142 = 105920014895622792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12785023 = 230130414 / (2 + 3 + 0 + 1 + 3 + 0 + 4 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6392494 + ... + 6392529.

It is an arithmetic number, because the mean of its divisors is an integer number (41551328).

Almost surely, 2230130414 is an apocalyptic number.

230130414 is an abundant number, since it is smaller than the sum of its proper divisors (268485522).

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

230130414 is a wasteful number, since it uses less digits than its factorization.

230130414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785031 (or 12785028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 230130414 is about 15170.0499010386. The cubic root of 230130414 is about 612.8083480895.

Adding to 230130414 its reverse (414031032), we get a palindrome (644161446).

The spelling of 230130414 in words is "two hundred thirty million, one hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 12785023 25570046 38355069 76710138 115065207 230130414