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1331052054 = 23409542401
BaseRepresentation
bin100111101010110…
…0011111000010110
310102202121110011020
41033111203320112
510211222131204
6340025022010
744661520143
oct11725437026
93382543136
101331052054
11623387122
12311924906
131829baa87
14c8ac53ca
157bcc5bd9
hex4f563e16

1331052054 has 16 divisors (see below), whose sum is σ = 2668617840. Its totient is φ = 442598400.

The previous prime is 1331052031. The next prime is 1331052071. The reversal of 1331052054 is 4502501331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268747 + ... + 273654.

It is an arithmetic number, because the mean of its divisors is an integer number (166788615).

Almost surely, 21331052054 is an apocalyptic number.

1331052054 is an abundant number, since it is smaller than the sum of its proper divisors (1337565786).

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

1331052054 is a wasteful number, since it uses less digits than its factorization.

1331052054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542815.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1331052054 is about 36483.5860901858. The cubic root of 1331052054 is about 1100.0143397580.

Adding to 1331052054 its reverse (4502501331), we get a palindrome (5833553385).

The spelling of 1331052054 in words is "one billion, three hundred thirty-one million, fifty-two thousand, fifty-four".

Divisors: 1 2 3 6 409 818 1227 2454 542401 1084802 1627203 3254406 221842009 443684018 665526027 1331052054