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1130515225 = 52759223491
BaseRepresentation
bin100001101100010…
…0100101100011001
32220210021010100021
41003120210230121
54303402441400
6304102510441
740005135520
oct10330445431
92823233307
101130515225
11530167904
12276735421
131502a6328
14aa2034b7
15693b271a
hex43624b19

1130515225 has 48 divisors (see below), whose sum is σ = 1639895040. Its totient is φ = 757108800.

The previous prime is 1130515153. The next prime is 1130515237. The reversal of 1130515225 is 5225150311.

It is not a de Polignac number, because 1130515225 - 27 = 1130515097 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1130515225.

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 47 ways as a sum of consecutive naturals, for example, 2302230 + ... + 2302720.

It is an arithmetic number, because the mean of its divisors is an integer number (34164480).

Almost surely, 21130515225 is an apocalyptic number.

It is an amenable number.

1130515225 is a deficient number, since it is larger than the sum of its proper divisors (509379815).

1130515225 is a wasteful number, since it uses less digits than its factorization.

1130515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1130515225 is about 33623.1352642790. The cubic root of 1130515225 is about 1041.7387165808.

Adding to 1130515225 its reverse (5225150311), we get a palindrome (6355665536).

The spelling of 1130515225 in words is "one billion, one hundred thirty million, five hundred fifteen thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 59 175 223 295 413 491 1115 1475 1561 2065 2455 3437 5575 7805 10325 12275 13157 17185 28969 39025 65785 85925 92099 109493 144845 202783 328925 460495 547465 724225 766451 1013915 2302475 2737325 3832255 5069575 6460087 19161275 32300435 45220609 161502175 226103045 1130515225