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1132233140 = 225109519373
BaseRepresentation
bin100001101111100…
…1000000110110100
32220220111101212202
41003133020012310
54304322430030
6304203404032
740025552153
oct10337100664
92826441782
101132233140
11531130575
12277223618
1315075824c
14aa52d59a
1569601745
hex437c81b4

1132233140 has 24 divisors (see below), whose sum is σ = 2399507880. Its totient is φ = 448737408.

The previous prime is 1132233101. The next prime is 1132233143. The reversal of 1132233140 is 413322311.

It can be written as a sum of positive squares in 4 ways, for example, as 347897104 + 784336036 = 18652^2 + 28006^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132233143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257507 + ... + 261866.

It is an arithmetic number, because the mean of its divisors is an integer number (99979495).

Almost surely, 21132233140 is an apocalyptic number.

1132233140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132233140 is an abundant number, since it is smaller than the sum of its proper divisors (1267274740).

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

1132233140 is a wasteful number, since it uses less digits than its factorization.

1132233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519491 (or 519489 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1132233140 is about 33648.6721877699. The cubic root of 1132233140 is about 1042.2661200157.

Adding to 1132233140 its reverse (413322311), we get a palindrome (1545555451).

The spelling of 1132233140 in words is "one billion, one hundred thirty-two million, two hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 519373 1038746 2077492 2596865 5193730 10387460 56611657 113223314 226446628 283058285 566116570 1132233140