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1431333425 = 52294494397
BaseRepresentation
bin101010101010000…
…0110101000110001
310200202022021100002
41111110012220301
510412410132200
6354010235345
750320063514
oct12524065061
93622267302
101431333425
11674a4aa95
1233b425b55
1319a6cc672
14d814ad7b
15859d3bd5
hex55506a31

1431333425 has 24 divisors (see below), whose sum is σ = 1840563000. Its totient is φ = 1102868480.

The previous prime is 1431333413. The next prime is 1431333433. The reversal of 1431333425 is 5243331341.

It can be written as a sum of positive squares in 12 ways, for example, as 301230736 + 1130102689 = 17356^2 + 33617^2 .

It is not a de Polignac number, because 1431333425 - 210 = 1431332401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 323327 + ... + 327723.

It is an arithmetic number, because the mean of its divisors is an integer number (76690125).

Almost surely, 21431333425 is an apocalyptic number.

It is an amenable number.

1431333425 is a deficient number, since it is larger than the sum of its proper divisors (409229575).

1431333425 is a wasteful number, since it uses less digits than its factorization.

1431333425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885 (or 4880 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 1431333425 is about 37832.9674358224. The cubic root of 1431333425 is about 1126.9732414527.

Adding to 1431333425 its reverse (5243331341), we get a palindrome (6674664766).

The spelling of 1431333425 in words is "one billion, four hundred thirty-one million, three hundred thirty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 29 145 449 725 2245 4397 11225 13021 21985 65105 109925 127513 325525 637565 1974253 3187825 9871265 49356325 57253337 286266685 1431333425