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130453450 = 2522609069
BaseRepresentation
bin1111100011010…
…00111111001010
3100002110201111021
413301220333022
5231344002300
620540023054
73142556521
oct761507712
9302421437
10130453450
1167701676
1237831a8a
1321046cba
141347b4b8
15b6bcd1a
hex7c68fca

130453450 has 12 divisors (see below), whose sum is σ = 242643510. Its totient is φ = 52181360.

The previous prime is 130453429. The next prime is 130453451. The reversal of 130453450 is 54354031.

It can be written as a sum of positive squares in 3 ways, for example, as 68343289 + 62110161 = 8267^2 + 7881^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (130453451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304485 + ... + 1304584.

Almost surely, 2130453450 is an apocalyptic number.

130453450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130453450 is a deficient number, since it is larger than the sum of its proper divisors (112190060).

130453450 is a wasteful number, since it uses less digits than its factorization.

130453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609081 (or 2609076 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 130453450 is about 11421.6220389225. The cubic root of 130453450 is about 507.1680147352.

The spelling of 130453450 in words is "one hundred thirty million, four hundred fifty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2609069 5218138 13045345 26090690 65226725 130453450