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5135780 = 2251319753
BaseRepresentation
bin10011100101110110100100
3100122220222002
4103211312210
52303321110
6302024432
761440056
oct23456644
910586862
105135780
112998651
121878118
1310aa830
149798d6
156b6aa5
hex4e5da4

5135780 has 24 divisors (see below), whose sum is σ = 11615352. Its totient is φ = 1896192.

The previous prime is 5135761. The next prime is 5135789. The reversal of 5135780 is 875315.

5135780 = T125 + T126 + ... + T319.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 5134756 = 32^2 + 2266^2 .

It is not an unprimeable number, because it can be changed into a prime (5135789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9617 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (483973).

Almost surely, 25135780 is an apocalyptic number.

It is an amenable number.

5135780 is an abundant number, since it is smaller than the sum of its proper divisors (6479572).

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

5135780 is a wasteful number, since it uses less digits than its factorization.

5135780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19775 (or 19773 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5135780 is about 2266.2259375446. The cubic root of 5135780 is about 172.5316612052.

The spelling of 5135780 in words is "five million, one hundred thirty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 19753 39506 79012 98765 197530 256789 395060 513578 1027156 1283945 2567890 5135780