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1054320831 = 32117146759
BaseRepresentation
bin111110110101111…
…010100010111111
32201110220001021200
4332311322202333
54124401231311
6252341430543
735061402444
oct7665724277
92643801250
101054320831
114a1155933
1225510b453
1313a5791a5
14a004b9cb
1562861556
hex3ed7a8bf

1054320831 has 6 divisors (see below), whose sum is σ = 1522907880. Its totient is φ = 702880548.

The previous prime is 1054320821. The next prime is 1054320857. The reversal of 1054320831 is 1380234501.

It is a happy number.

It is not a de Polignac number, because 1054320831 - 210 = 1054319807 is a prime.

It is a super-2 number, since 2×10543208312 = 2223184829361061122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054320795 and 1054320804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054320821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58573371 + ... + 58573388.

It is an arithmetic number, because the mean of its divisors is an integer number (253817980).

Almost surely, 21054320831 is an apocalyptic number.

1054320831 is a deficient number, since it is larger than the sum of its proper divisors (468587049).

1054320831 is a wasteful number, since it uses less digits than its factorization.

1054320831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117146765 (or 117146762 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1054320831 is about 32470.3069126240. The cubic root of 1054320831 is about 1017.7886319232.

The spelling of 1054320831 in words is "one billion, fifty-four million, three hundred twenty thousand, eight hundred thirty-one".

Divisors: 1 3 9 117146759 351440277 1054320831