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29040419 = 75138669
BaseRepresentation
bin110111011000…
…1111100100011
32000122101222002
41232301330203
524413243134
62514234215
7501560642
oct156617443
960571862
1029040419
1115435551
12988596b
13602a2a5
143bdd359
15283987e
hex1bb1f23

29040419 has 4 divisors (see below), whose sum is σ = 29079840. Its totient is φ = 29001000.

The previous prime is 29040409. The next prime is 29040443. The reversal of 29040419 is 91404092.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29040419 is a prime.

It is a super-2 number, since 2×290404192 = 1686691871391122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29040391 and 29040400.

It is not an unprimeable number, because it can be changed into a prime (29040409) 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, 18584 + ... + 20085.

It is an arithmetic number, because the mean of its divisors is an integer number (7269960).

Almost surely, 229040419 is an apocalyptic number.

29040419 is a deficient number, since it is larger than the sum of its proper divisors (39421).

29040419 is an equidigital number, since it uses as much as digits as its factorization.

29040419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 29040419 is about 5388.9163103541. The cubic root of 29040419 is about 307.3743519089.

The spelling of 29040419 in words is "twenty-nine million, forty thousand, four hundred nineteen".

Divisors: 1 751 38669 29040419