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130257458 = 2433715017
BaseRepresentation
bin1111100001110…
…01001000110010
3100002002202122022
413300321020302
5231321214313
620531511442
73141112232
oct760711062
9302082568
10130257458
11675883a1
1237758582
1320ca8a26
1413429cc2
15b67ec08
hex7c39232

130257458 has 8 divisors (see below), whose sum is σ = 195444252. Its totient is φ = 65109376.

The previous prime is 130257433. The next prime is 130257467. The reversal of 130257458 is 854752031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108513889 + 21743569 = 10417^2 + 4663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 16182.

Almost surely, 2130257458 is an apocalyptic number.

130257458 is a deficient number, since it is larger than the sum of its proper divisors (65186794).

130257458 is a wasteful number, since it uses less digits than its factorization.

130257458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19356.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 130257458 is about 11413.0389467486. The cubic root of 130257458 is about 506.9138993278.

The spelling of 130257458 in words is "one hundred thirty million, two hundred fifty-seven thousand, four hundred fifty-eight".

Divisors: 1 2 4337 8674 15017 30034 65128729 130257458