Search a number
-
+
7091400425 = 52653434389
BaseRepresentation
bin1101001101010111…
…00010111011101001
3200022012201110121012
412212223202323221
5104010344303200
63131401153305
7340505623544
oct64653427351
920265643535
107091400425
113009a0210a
12145aa8b835
13890228435
144b3b4d85b
152b7870a35
hex1a6ae2ee9

7091400425 has 12 divisors (see below), whose sum is σ = 8806822860. Its totient is φ = 5664419520.

The previous prime is 7091400367. The next prime is 7091400493. The reversal of 7091400425 is 5240041907.

It is a happy number.

7091400425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1602961369 + 5488439056 = 40037^2 + 74084^2 .

It is not a de Polignac number, because 7091400425 - 216 = 7091334889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7091400391 and 7091400400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200870 + ... + 233519.

It is an arithmetic number, because the mean of its divisors is an integer number (733901905).

Almost surely, 27091400425 is an apocalyptic number.

It is an amenable number.

7091400425 is a deficient number, since it is larger than the sum of its proper divisors (1715422435).

7091400425 is a wasteful number, since it uses less digits than its factorization.

7091400425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435052 (or 435047 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 7091400425 is about 84210.4531813005. The cubic root of 7091400425 is about 1921.2210499162.

The spelling of 7091400425 in words is "seven billion, ninety-one million, four hundred thousand, four hundred twenty-five".

Divisors: 1 5 25 653 3265 16325 434389 2171945 10859725 283656017 1418280085 7091400425