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1351469225 = 5254058769
BaseRepresentation
bin101000010001101…
…1100100010101001
310111012000202020202
41100203130202221
510231434003400
6342034401545
745330204341
oct12043344251
93435022222
101351469225
11633961917
123187302b5
13186cb9042
14cb6bbd21
157d9aa4d5
hex508dc8a9

1351469225 has 6 divisors (see below), whose sum is σ = 1675821870. Its totient is φ = 1081175360.

The previous prime is 1351469143. The next prime is 1351469227. The reversal of 1351469225 is 5229641531.

It can be written as a sum of positive squares in 3 ways, for example, as 192543376 + 1158925849 = 13876^2 + 34043^2 .

It is not a de Polignac number, because 1351469225 - 214 = 1351452841 is a prime.

It is a super-2 number, since 2×13514692252 = 3652938132244201250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1351469227) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 27029360 + ... + 27029409.

It is an arithmetic number, because the mean of its divisors is an integer number (279303645).

Almost surely, 21351469225 is an apocalyptic number.

It is an amenable number.

1351469225 is a deficient number, since it is larger than the sum of its proper divisors (324352645).

1351469225 is an equidigital number, since it uses as much as digits as its factorization.

1351469225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54058779 (or 54058774 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 1351469225 is about 36762.3343246862. The cubic root of 1351469225 is about 1105.6102428367.

The spelling of 1351469225 in words is "one billion, three hundred fifty-one million, four hundred sixty-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 54058769 270293845 1351469225