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29925479 is a prime number
BaseRepresentation
bin111001000101…
…0000001100111
32002022101001002
41302022001213
530130103404
62545223515
7512235203
oct162120147
962271032
1029925479
111598a501
12a031b9b
13627a0ac
143d8db03
152961c1e
hex1c8a067

29925479 has 2 divisors, whose sum is σ = 29925480. Its totient is φ = 29925478.

The previous prime is 29925473. The next prime is 29925481. The reversal of 29925479 is 97452992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29925479 - 28 = 29925223 is a prime.

Together with 29925481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29925473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14962739 + 14962740.

It is an arithmetic number, because the mean of its divisors is an integer number (14962740).

Almost surely, 229925479 is an apocalyptic number.

29925479 is a deficient number, since it is larger than the sum of its proper divisors (1).

29925479 is an equidigital number, since it uses as much as digits as its factorization.

29925479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 29925479 is about 5470.4185397463. The cubic root of 29925479 is about 310.4657549643.

The spelling of 29925479 in words is "twenty-nine million, nine hundred twenty-five thousand, four hundred seventy-nine".