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1440484225 = 5257619369
BaseRepresentation
bin101010111011100…
…0000101110000001
310201101112011212121
41111313000232001
510422230443400
6354534324241
750460625315
oct12567005601
93641464777
101440484225
1167a130134
123424b9681
1319c58483b
14d944db45
15866e021a
hex55dc0b81

1440484225 has 6 divisors (see below), whose sum is σ = 1786200470. Its totient is φ = 1152387360.

The previous prime is 1440484207. The next prime is 1440484363. The reversal of 1440484225 is 5224840441.

It can be written as a sum of positive squares in 3 ways, for example, as 263445361 + 1177038864 = 16231^2 + 34308^2 .

It is not a de Polignac number, because 1440484225 - 213 = 1440476033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28809660 + ... + 28809709.

Almost surely, 21440484225 is an apocalyptic number.

It is an amenable number.

1440484225 is a deficient number, since it is larger than the sum of its proper divisors (345716245).

1440484225 is an equidigital number, since it uses as much as digits as its factorization.

1440484225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57619379 (or 57619374 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 34.

The square root of 1440484225 is about 37953.7116103287. The cubic root of 1440484225 is about 1129.3697963530.

The spelling of 1440484225 in words is "one billion, four hundred forty million, four hundred eighty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 57619369 288096845 1440484225