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12049429 = 71721347
BaseRepresentation
bin101101111101…
…110000010101
3211200011201011
4231331300111
511041040204
61110132221
7204263350
oct55756025
924604634
1012049429
11688aa07
124051071
13265b652
141859297
1510d0304
hexb7dc15

12049429 has 4 divisors (see below), whose sum is σ = 13770784. Its totient is φ = 10328076.

The previous prime is 12049423. The next prime is 12049451. The reversal of 12049429 is 92494021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12049429 - 29 = 12048917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12049429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049423) 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, 860667 + ... + 860680.

It is an arithmetic number, because the mean of its divisors is an integer number (3442696).

Almost surely, 212049429 is an apocalyptic number.

It is an amenable number.

12049429 is a deficient number, since it is larger than the sum of its proper divisors (1721355).

12049429 is an equidigital number, since it uses as much as digits as its factorization.

12049429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721354.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12049429 is about 3471.2287449835. The cubic root of 12049429 is about 229.2567627819.

The spelling of 12049429 in words is "twelve million, forty-nine thousand, four hundred twenty-nine".

Divisors: 1 7 1721347 12049429