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1404050425 = 52113701709
BaseRepresentation
bin101001110110000…
…0001101111111001
310121211222011002121
41103230001233321
510333414103200
6351153401241
746536142321
oct12354015771
93554864077
101404050425
11660605958
12332269221
13194b6928b
14d4688281
15833e4e1a
hex53b01bf9

1404050425 has 24 divisors (see below), whose sum is σ = 1761416280. Its totient is φ = 1110144000.

The previous prime is 1404050423. The next prime is 1404050437. The reversal of 1404050425 is 5240504041.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 811566144 + 592484281 = 28488^2 + 24341^2 .

It is not a de Polignac number, because 1404050425 - 21 = 1404050423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1404050425.

It is not an unprimeable number, because it can be changed into a prime (1404050423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1979971 + ... + 1980679.

It is an arithmetic number, because the mean of its divisors is an integer number (73392345).

Almost surely, 21404050425 is an apocalyptic number.

It is an amenable number.

1404050425 is a deficient number, since it is larger than the sum of its proper divisors (357365855).

1404050425 is a wasteful number, since it uses less digits than its factorization.

1404050425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1404050425 is about 37470.6608561952. The cubic root of 1404050425 is about 1119.7667522889.

Adding to 1404050425 its reverse (5240504041), we get a palindrome (6644554466).

The spelling of 1404050425 in words is "one billion, four hundred four million, fifty thousand, four hundred twenty-five".

Divisors: 1 5 25 113 565 701 709 2825 3505 3545 17525 17725 79213 80117 396065 400585 497009 1980325 2002925 2485045 12425225 56162017 280810085 1404050425