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7696090405 = 51539218081
BaseRepresentation
bin1110010101011100…
…10000010100100101
3201212100112220022101
413022232100110211
5111230144343110
63311401532101
7361500455233
oct71256202445
921770486271
107696090405
11329a2736a3
1215a94a4031
139585a6963
14530197953
153009b813a
hex1cab90525

7696090405 has 4 divisors (see below), whose sum is σ = 9235308492. Its totient is φ = 6156872320.

The previous prime is 7696090373. The next prime is 7696090433. The reversal of 7696090405 is 5040906967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5966944516 + 1729145889 = 77246^2 + 41583^2 .

It is not a de Polignac number, because 7696090405 - 25 = 7696090373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769609036 + ... + 769609045.

It is an arithmetic number, because the mean of its divisors is an integer number (2308827123).

Almost surely, 27696090405 is an apocalyptic number.

It is an amenable number.

7696090405 is a deficient number, since it is larger than the sum of its proper divisors (1539218087).

7696090405 is a wasteful number, since it uses less digits than its factorization.

7696090405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539218086.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 7696090405 is about 87727.3640604800. The cubic root of 7696090405 is about 1974.3465577424.

The spelling of 7696090405 in words is "seven billion, six hundred ninety-six million, ninety thousand, four hundred five".

Divisors: 1 5 1539218081 7696090405