Search a number
-
+
130044030 = 2354334801
BaseRepresentation
bin1111100000001…
…01000001111110
3100001200220212120
413300011001332
5231242402110
620523143410
73136233054
oct760050176
9301626776
10130044030
1167452006
1237674b66
1320c3283c
14133b21d4
15b63b870
hex7c0507e

130044030 has 16 divisors (see below), whose sum is σ = 312105744. Its totient is φ = 34678400.

The previous prime is 130044029. The next prime is 130044043. The reversal of 130044030 is 30440031.

It is a super-2 number, since 2×1300440302 = 33822899477281800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2167371 + ... + 2167430.

It is an arithmetic number, because the mean of its divisors is an integer number (19506609).

Almost surely, 2130044030 is an apocalyptic number.

130044030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130044030 is an abundant number, since it is smaller than the sum of its proper divisors (182061714).

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

130044030 is a wasteful number, since it uses less digits than its factorization.

130044030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334811.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130044030 is about 11403.6849307581. The cubic root of 130044030 is about 506.6368870039.

Adding to 130044030 its reverse (30440031), we get a palindrome (160484061).

The spelling of 130044030 in words is "one hundred thirty million, forty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4334801 8669602 13004403 21674005 26008806 43348010 65022015 130044030