Search a number
-
+
1052731090 = 25791332571
BaseRepresentation
bin111110101111110…
…110011011010010
32201100220021120101
4332233312123102
54123444343330
6252243403014
735042031565
oct7657663322
92640807511
101052731090
114a026a4a4
1225468346a
1313a140708
149db564dc
156264a4ca
hex3ebf66d2

1052731090 has 16 divisors (see below), whose sum is σ = 1918903680. Its totient is φ = 415761840.

The previous prime is 1052731063. The next prime is 1052731109. The reversal of 1052731090 is 901372501.

It is a super-2 number, since 2×10527310902 = 2216485495705176200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665496 + ... + 667075.

It is an arithmetic number, because the mean of its divisors is an integer number (119931480).

Almost surely, 21052731090 is an apocalyptic number.

1052731090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052731090 is a deficient number, since it is larger than the sum of its proper divisors (866172590).

1052731090 is a wasteful number, since it uses less digits than its factorization.

1052731090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332657.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1052731090 is about 32445.8177582258. The cubic root of 1052731090 is about 1017.2768224286.

The spelling of 1052731090 in words is "one billion, fifty-two million, seven hundred thirty-one thousand, ninety".

Divisors: 1 2 5 10 79 158 395 790 1332571 2665142 6662855 13325710 105273109 210546218 526365545 1052731090