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1132130420 = 225291951949
BaseRepresentation
bin100001101111010…
…1111000001110100
32220220022011222022
41003132233001310
54304311133140
6304201252312
740024643531
oct10336570164
92826264868
101132130420
11531070383
12277194098
13150720575
14aa503d88
15695d10b5
hex437af074

1132130420 has 24 divisors (see below), whose sum is σ = 2459457000. Its totient is φ = 437236352.

The previous prime is 1132130411. The next prime is 1132130431. The reversal of 1132130420 is 240312311.

It can be written as a sum of positive squares in 4 ways, for example, as 339370084 + 792760336 = 18422^2 + 28156^2 .

It is a congruent number.

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, 975395 + ... + 976554.

It is an arithmetic number, because the mean of its divisors is an integer number (102477375).

Almost surely, 21132130420 is an apocalyptic number.

1132130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132130420 is an abundant number, since it is smaller than the sum of its proper divisors (1327326580).

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

1132130420 is a wasteful number, since it uses less digits than its factorization.

1132130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951987 (or 1951985 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1132130420 is about 33647.1457927712. The cubic root of 1132130420 is about 1042.2345997661.

Adding to 1132130420 its reverse (240312311), we get a palindrome (1372442731).

The spelling of 1132130420 in words is "one billion, one hundred thirty-two million, one hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1951949 3903898 7807796 9759745 19519490 39038980 56606521 113213042 226426084 283032605 566065210 1132130420