Search a number
-
+
1132145540 = 225251225527
BaseRepresentation
bin100001101111011…
…0010101110000100
32220220022221201022
41003132302232010
54304312124130
6304201450312
740025035601
oct10336625604
92826287638
101132145540
11531080779
122771a0998
13150727406
14aa5096a8
15695d57e5
hex437b2b84

1132145540 has 24 divisors (see below), whose sum is σ = 2386988352. Its totient is φ = 451052000.

The previous prime is 1132145489. The next prime is 1132145551. The reversal of 1132145540 is 455412311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107744 + ... + 117783.

It is an arithmetic number, because the mean of its divisors is an integer number (99457848).

Almost surely, 21132145540 is an apocalyptic number.

1132145540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132145540 is an abundant number, since it is smaller than the sum of its proper divisors (1254842812).

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

1132145540 is a wasteful number, since it uses less digits than its factorization.

1132145540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225787 (or 225785 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1132145540 is about 33647.3704767549. The cubic root of 1132145540 is about 1042.2392395487.

Adding to 1132145540 its reverse (455412311), we get a palindrome (1587557851).

The spelling of 1132145540 in words is "one billion, one hundred thirty-two million, one hundred forty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 251 502 1004 1255 2510 5020 225527 451054 902108 1127635 2255270 4510540 56607277 113214554 226429108 283036385 566072770 1132145540