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1418318425 = 52531070429
BaseRepresentation
bin101010010001001…
…1101001001011001
310122211211001010001
41110202131021121
510401042142200
6352423253001
750101336066
oct12442351131
93584731101
101418318425
11668670697
12336baa161
13197ac3694
14d651dc6d
15847b276a
hex5489d259

1418318425 has 12 divisors (see below), whose sum is σ = 1791899820. Its totient is φ = 1113245120.

The previous prime is 1418318423. The next prime is 1418318459. The reversal of 1418318425 is 5248138141.

It can be written as a sum of positive squares in 6 ways, for example, as 1247689 + 1417070736 = 1117^2 + 37644^2 .

It is not a de Polignac number, because 1418318425 - 21 = 1418318423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1418318423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533890 + ... + 536539.

It is an arithmetic number, because the mean of its divisors is an integer number (149324985).

Almost surely, 21418318425 is an apocalyptic number.

It is an amenable number.

1418318425 is a deficient number, since it is larger than the sum of its proper divisors (373581395).

1418318425 is a wasteful number, since it uses less digits than its factorization.

1418318425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070492 (or 1070487 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 1418318425 is about 37660.5685697919. The cubic root of 1418318425 is about 1123.5470097997.

The spelling of 1418318425 in words is "one billion, four hundred eighteen million, three hundred eighteen thousand, four hundred twenty-five".

Divisors: 1 5 25 53 265 1325 1070429 5352145 26760725 56732737 283663685 1418318425