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1155130 = 25115513
BaseRepresentation
bin100011010000000111010
32011200112121
410122000322
5243431010
640431454
712550504
oct4320072
92150477
101155130
11719959
1247858a
13315a12
14220d74
1517c3da
hex11a03a

1155130 has 8 divisors (see below), whose sum is σ = 2079252. Its totient is φ = 462048.

The previous prime is 1155127. The next prime is 1155149. The reversal of 1155130 is 315511.

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 16641 = 1067^2 + 129^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57747 + ... + 57766.

21155130 is an apocalyptic number.

1155130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155130 is a deficient number, since it is larger than the sum of its proper divisors (924122).

1155130 is a wasteful number, since it uses less digits than its factorization.

1155130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115520.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1155130 is about 1074.7697427821. The cubic root of 1155130 is about 104.9245111226.

The spelling of 1155130 in words is "one million, one hundred fifty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 115513 231026 577565 1155130