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5408969279 = 7772709897
BaseRepresentation
bin1010000100110011…
…00101001000111111
3111221221221002221112
411002121211020333
542034144004104
62252420552235
7251016323510
oct50231451077
914857832845
105408969279
11232624974a
12106b55267b
136827c084c
1439451ca07
15219cdc86e
hex14266523f

5408969279 has 4 divisors (see below), whose sum is σ = 6181679184. Its totient is φ = 4636259376.

The previous prime is 5408969263. The next prime is 5408969297. The reversal of 5408969279 is 9729698045.

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

It is not a de Polignac number, because 5408969279 - 24 = 5408969263 is a prime.

It is a super-2 number, since 2×54089692792 = 58513897322331559682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408969779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386354942 + ... + 386354955.

It is an arithmetic number, because the mean of its divisors is an integer number (1545419796).

Almost surely, 25408969279 is an apocalyptic number.

5408969279 is a deficient number, since it is larger than the sum of its proper divisors (772709905).

5408969279 is an equidigital number, since it uses as much as digits as its factorization.

5408969279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772709904.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The square root of 5408969279 is about 73545.6951765363. The cubic root of 5408969279 is about 1755.3814512177.

The spelling of 5408969279 in words is "five billion, four hundred eight million, nine hundred sixty-nine thousand, two hundred seventy-nine".

Divisors: 1 7 772709897 5408969279