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1331132052 = 223743149297
BaseRepresentation
bin100111101010111…
…0111011010010100
310102202202111220010
41033111313122110
510211232211202
6340030440220
744662302315
oct11725673224
93382674803
101331132052
11623431238
12311963070
13182a18303
14c8b0660c
157bcde76c
hex4f577694

1331132052 has 24 divisors (see below), whose sum is σ = 3110175936. Its totient is φ = 443110528.

The previous prime is 1331132051. The next prime is 1331132053. The reversal of 1331132052 is 2502311331.

It is an interprime number because it is at equal distance from previous prime (1331132051) and next prime (1331132053).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331132051) 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, 65733 + ... + 83564.

It is an arithmetic number, because the mean of its divisors is an integer number (129590664).

Almost surely, 21331132052 is an apocalyptic number.

1331132052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331132052 is an abundant number, since it is smaller than the sum of its proper divisors (1779043884).

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

1331132052 is a wasteful number, since it uses less digits than its factorization.

1331132052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150047 (or 150045 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1331132052 is about 36484.6824297540. The cubic root of 1331132052 is about 1100.0363767584.

Adding to 1331132052 its reverse (2502311331), we get a palindrome (3833443383).

The spelling of 1331132052 in words is "one billion, three hundred thirty-one million, one hundred thirty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 743 1486 2229 2972 4458 8916 149297 298594 447891 597188 895782 1791564 110927671 221855342 332783013 443710684 665566026 1331132052