Search a number
-
+
537254440 = 23513431361
BaseRepresentation
bin100000000001011…
…101101000101000
31101102221100112121
4200001131220220
52100014120230
6125151121024
716212405322
oct4001355050
91342840477
10537254440
112562a2238
1212bb13174
13873ca048
14514d2612
153227677a
hex2005da28

537254440 has 16 divisors (see below), whose sum is σ = 1208822580. Its totient is φ = 214901760.

The previous prime is 537254369. The next prime is 537254477. The reversal of 537254440 is 44452735.

It can be written as a sum of positive squares in 2 ways, for example, as 503822916 + 33431524 = 22446^2 + 5782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 537254396 and 537254405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715641 + ... + 6715720.

Almost surely, 2537254440 is an apocalyptic number.

It is an amenable number.

537254440 is an abundant number, since it is smaller than the sum of its proper divisors (671568140).

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

537254440 is a wasteful number, since it uses less digits than its factorization.

537254440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431372 (or 13431368 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 537254440 is about 23178.7497505797. The cubic root of 537254440 is about 812.9428289013.

The spelling of 537254440 in words is "five hundred thirty-seven million, two hundred fifty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 13431361 26862722 53725444 67156805 107450888 134313610 268627220 537254440