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1130255240 = 23528256381
BaseRepresentation
bin100001101011110…
…0101001110001000
32220202202220201012
41003113211032020
54303321131430
6304053143052
740003003532
oct10327451610
92822686635
101130255240
1152aaaa544
1227662aa88
13150214baa
14aa176852
1569360695
hex435e5388

1130255240 has 16 divisors (see below), whose sum is σ = 2543074380. Its totient is φ = 452102080.

The previous prime is 1130255237. The next prime is 1130255249. The reversal of 1130255240 is 425520311.

It can be written as a sum of positive squares in 2 ways, for example, as 1092038116 + 38217124 = 33046^2 + 6182^2 .

It is not an unprimeable number, because it can be changed into a prime (1130255249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14128151 + ... + 14128230.

Almost surely, 21130255240 is an apocalyptic number.

1130255240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130255240 is an abundant number, since it is smaller than the sum of its proper divisors (1412819140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130255240 is a wasteful number, since it uses less digits than its factorization.

1130255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28256392 (or 28256388 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1130255240 is about 33619.2688796172. The cubic root of 1130255240 is about 1041.6588541139.

Adding to 1130255240 its reverse (425520311), we get a palindrome (1555775551).

The spelling of 1130255240 in words is "one billion, one hundred thirty million, two hundred fifty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 28256381 56512762 113025524 141281905 226051048 282563810 565127620 1130255240