Search a number
-
+
1535125345 = 513109721529
BaseRepresentation
bin101101110000000…
…0010011101100001
310221222121110002021
41123200002131201
511120443002340
6412155021441
753020231045
oct13340023541
93858543067
101535125345
117185a1436
1236a13a881
131b60700c0
14107c48025
158eb86e4a
hex5b802761

1535125345 has 16 divisors (see below), whose sum is σ = 1985754960. Its totient is φ = 1132545024.

The previous prime is 1535125259. The next prime is 1535125351. The reversal of 1535125345 is 5435215351.

It can be written as a sum of positive squares in 8 ways, for example, as 435473424 + 1099651921 = 20868^2 + 33161^2 .

It is not a de Polignac number, because 1535125345 - 223 = 1526736737 is a prime.

It is a super-2 number, since 2×15351253452 = 4713219649722738050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1535125345.

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 15 ways as a sum of consecutive naturals, for example, 60541 + ... + 82069.

It is an arithmetic number, because the mean of its divisors is an integer number (124109685).

Almost surely, 21535125345 is an apocalyptic number.

It is an amenable number.

1535125345 is a deficient number, since it is larger than the sum of its proper divisors (450629615).

1535125345 is a wasteful number, since it uses less digits than its factorization.

1535125345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22644.

The product of its digits is 45000, while the sum is 34.

The square root of 1535125345 is about 39180.6756577780. The cubic root of 1535125345 is about 1153.5806093160.

The spelling of 1535125345 in words is "one billion, five hundred thirty-five million, one hundred twenty-five thousand, three hundred forty-five".

Divisors: 1 5 13 65 1097 5485 14261 21529 71305 107645 279877 1399385 23617313 118086565 307025069 1535125345