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130403220 = 22352173387
BaseRepresentation
bin1111100010111…
…00101110010100
3100002101011120220
413301130232110
5231340400340
620534554340
73142260213
oct761345624
9302334526
10130403220
1167677962
12378089b0
132102a18c
141346707a
15b6aced0
hex7c5cb94

130403220 has 24 divisors (see below), whose sum is σ = 365129184. Its totient is φ = 34774176.

The previous prime is 130403191. The next prime is 130403237. The reversal of 130403220 is 22304031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130403220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086634 + ... + 1086753.

It is an arithmetic number, because the mean of its divisors is an integer number (15213716).

Almost surely, 2130403220 is an apocalyptic number.

130403220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130403220 is an abundant number, since it is smaller than the sum of its proper divisors (234725964).

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

130403220 is a wasteful number, since it uses less digits than its factorization.

130403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173399 (or 2173397 counting only the distinct ones).

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

The square root of 130403220 is about 11419.4229276264. The cubic root of 130403220 is about 507.1029127909.

Adding to 130403220 its reverse (22304031), we get a palindrome (152707251).

The spelling of 130403220 in words is "one hundred thirty million, four hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2173387 4346774 6520161 8693548 10866935 13040322 21733870 26080644 32600805 43467740 65201610 130403220