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2929291439 = 3179240667
BaseRepresentation
bin1010111010011001…
…0111000010101111
321120010222102102112
42232212113002233
521444344311224
61202400514235
7132406365164
oct25646270257
97503872375
102929291439
111273566018
1269901b97b
13378b58359
141db07c06b
1512227830e
hexae9970af

2929291439 has 4 divisors (see below), whose sum is σ = 2938532424. Its totient is φ = 2920050456.

The previous prime is 2929291411. The next prime is 2929291447. The reversal of 2929291439 is 9341929292.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2929291439 - 212 = 2929287343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929291459) 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, 4620017 + ... + 4620650.

It is an arithmetic number, because the mean of its divisors is an integer number (734633106).

Almost surely, 22929291439 is an apocalyptic number.

2929291439 is a deficient number, since it is larger than the sum of its proper divisors (9240985).

2929291439 is an equidigital number, since it uses as much as digits as its factorization.

2929291439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240984.

The product of its digits is 629856, while the sum is 50.

The square root of 2929291439 is about 54122.9289580673. The cubic root of 2929291439 is about 1430.8283200486.

The spelling of 2929291439 in words is "two billion, nine hundred twenty-nine million, two hundred ninety-one thousand, four hundred thirty-nine".

Divisors: 1 317 9240667 2929291439