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220424130 = 232519128903
BaseRepresentation
bin11010010001101…
…10011111000010
3120100202201001200
431020312133002
5422412033010
633512242030
75314400643
oct1510663702
9510681050
10220424130
11103472a03
12619a0316
13368887a4
14213bb6ca
1514540cc0
hexd2367c2

220424130 has 48 divisors (see below), whose sum is σ = 603270720. Its totient is φ = 55685664.

The previous prime is 220424129. The next prime is 220424131. The reversal of 220424130 is 31424022.

220424130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220424129) and next prime (220424131).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220424131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62742 + ... + 66161.

It is an arithmetic number, because the mean of its divisors is an integer number (12568140).

Almost surely, 2220424130 is an apocalyptic number.

220424130 is an abundant number, since it is smaller than the sum of its proper divisors (382846590).

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

220424130 is a wasteful number, since it uses less digits than its factorization.

220424130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128935 (or 128932 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220424130 is about 14846.6875093403. The cubic root of 220424130 is about 604.0687629124.

Adding to 220424130 its reverse (31424022), we get a palindrome (251848152).

The spelling of 220424130 in words is "two hundred twenty million, four hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 128903 257806 386709 644515 773418 1160127 1289030 1933545 2320254 2449157 3867090 4898314 5800635 7347471 11601270 12245785 14694942 22042413 24491570 36737355 44084826 73474710 110212065 220424130