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249108130 = 2526339461
BaseRepresentation
bin11101101100100…
…01011010100010
3122100202000010001
432312101122202
51002232430010
640415130214
76113245525
oct1666213242
9570660101
10249108130
11118684697
126b51396a
133c7bc77b
1425126bbc
1516d09c3a
hexed916a2

249108130 has 16 divisors (see below), whose sum is σ = 448612344. Its totient is φ = 99594880.

The previous prime is 249108127. The next prime is 249108133. The reversal of 249108130 is 31801942.

It is a happy number.

249108130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (249108127) and next prime (249108133).

It can be written as a sum of positive squares in 4 ways, for example, as 188595289 + 60512841 = 13733^2 + 7779^2 .

It is not an unprimeable number, because it can be changed into a prime (249108133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21600 + ... + 31060.

Almost surely, 2249108130 is an apocalyptic number.

249108130 is a deficient number, since it is larger than the sum of its proper divisors (199504214).

249108130 is a wasteful number, since it uses less digits than its factorization.

249108130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 249108130 is about 15783.1596963346. The cubic root of 249108130 is about 629.2105084917.

The spelling of 249108130 in words is "two hundred forty-nine million, one hundred eight thousand, one hundred thirty".

Divisors: 1 2 5 10 2633 5266 9461 13165 18922 26330 47305 94610 24910813 49821626 124554065 249108130