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1404197225 = 5256167889
BaseRepresentation
bin101001110110010…
…0101100101101001
310121212020121110122
41103230211211221
510333433302400
6351200453025
746540323314
oct12354454551
93555217418
101404197225
116606a6182
1233231a175
13194bbb042
14d46c597b
1583423685
hex53b25969

1404197225 has 6 divisors (see below), whose sum is σ = 1741204590. Its totient is φ = 1123357760.

The previous prime is 1404197213. The next prime is 1404197251. The reversal of 1404197225 is 5227914041.

It can be written as a sum of positive squares in 3 ways, for example, as 17081689 + 1387115536 = 4133^2 + 37244^2 .

It is not a de Polignac number, because 1404197225 - 216 = 1404131689 is a prime.

It is a Curzon number.

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, 28083920 + ... + 28083969.

It is an arithmetic number, because the mean of its divisors is an integer number (290200765).

Almost surely, 21404197225 is an apocalyptic number.

It is an amenable number.

1404197225 is a deficient number, since it is larger than the sum of its proper divisors (337007365).

1404197225 is an equidigital number, since it uses as much as digits as its factorization.

1404197225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56167899 (or 56167894 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1404197225 is about 37472.6196709010. The cubic root of 1404197225 is about 1119.8057765356.

The spelling of 1404197225 in words is "one billion, four hundred four million, one hundred ninety-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 56167889 280839445 1404197225