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130264428 = 22373834049
BaseRepresentation
bin1111100001110…
…10110101101100
3100002010010012110
413300322311230
5231321430203
620532004020
73141141450
oct760726554
9302103173
10130264428
1167592658
1237760610
1320cabc58
141342c660
15b681d03
hex7c3ad6c

130264428 has 48 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 37112064.

The previous prime is 130264427. The next prime is 130264429. The reversal of 130264428 is 824462031.

It is an interprime number because it is at equal distance from previous prime (130264427) and next prime (130264429).

It is a junction number, because it is equal to n+sod(n) for n = 130264395 and 130264404.

It is not an unprimeable number, because it can be changed into a prime (130264423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30148 + ... + 34196.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2130264428 is an apocalyptic number.

It is an amenable number.

130264428 is an abundant number, since it is smaller than the sum of its proper divisors (218100372).

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

130264428 is a wasteful number, since it uses less digits than its factorization.

130264428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 130264428 is about 11413.3442951661. The cubic root of 130264428 is about 506.9229407215.

The spelling of 130264428 in words is "one hundred thirty million, two hundred sixty-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 383 766 1149 1532 2298 2681 4049 4596 5362 8043 8098 10724 12147 16086 16196 24294 28343 32172 48588 56686 85029 113372 170058 340116 1550767 3101534 4652301 6203068 9304602 10855369 18609204 21710738 32566107 43421476 65132214 130264428