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1311332 = 221129803
BaseRepresentation
bin101000000001001100100
32110121210212
411000021210
5313430312
644034552
714101061
oct5001144
92417725
101311332
11816250
12532a58
1336bb49
14261c68
151ad822
hex140264

1311332 has 12 divisors (see below), whose sum is σ = 2503536. Its totient is φ = 596040.

The previous prime is 1311311. The next prime is 1311341. The reversal of 1311332 is 2331131.

It is a super-2 number, since 2×13113322 = 3439183228448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14858 + ... + 14945.

It is an arithmetic number, because the mean of its divisors is an integer number (208628).

21311332 is an apocalyptic number.

It is an amenable number.

1311332 is a deficient number, since it is larger than the sum of its proper divisors (1192204).

1311332 is a wasteful number, since it uses less digits than its factorization.

1311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29818 (or 29816 counting only the distinct ones).

The product of its digits is 54, while the sum is 14.

The square root of 1311332 is about 1145.1340532881. The cubic root of 1311332 is about 109.4554909005.

Adding to 1311332 its reverse (2331131), we get a palindrome (3642463).

The spelling of 1311332 in words is "one million, three hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 11 22 44 29803 59606 119212 327833 655666 1311332