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1355390500 = 22532710781
BaseRepresentation
bin101000011001001…
…1001111000100100
310111110101222020011
41100302121320210
510233434444000
6342254420004
745405425542
oct12062317044
93443358204
101355390500
1163609aa42
12319b01604
13187a5cb19
14cc01cd92
157ded22ba
hex50c99e24

1355390500 has 24 divisors (see below), whose sum is σ = 2960173944. Its totient is φ = 542156000.

The previous prime is 1355390453. The next prime is 1355390527. The reversal of 1355390500 is 50935531.

It can be written as a sum of positive squares in 4 ways, for example, as 252619236 + 1102771264 = 15894^2 + 33208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354891 + ... + 1355890.

It is an arithmetic number, because the mean of its divisors is an integer number (123340581).

Almost surely, 21355390500 is an apocalyptic number.

1355390500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355390500 is an abundant number, since it is smaller than the sum of its proper divisors (1604783444).

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

1355390500 is a wasteful number, since it uses less digits than its factorization.

1355390500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710800 (or 2710788 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 1355390500 is about 36815.6284748746. The cubic root of 1355390500 is about 1106.6785161471.

The spelling of 1355390500 in words is "one billion, three hundred fifty-five million, three hundred ninety thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 2710781 5421562 10843124 13553905 27107810 54215620 67769525 135539050 271078100 338847625 677695250 1355390500