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12029271 = 331129347
BaseRepresentation
bin101101111000…
…110101010111
3211122011001120
4231320311113
511034414041
61105455023
7204150522
oct55706527
924564046
1012029271
116876851
124041473
132652417
141851bb9
1510c9366
hexb78d57

12029271 has 8 divisors (see below), whose sum is σ = 16556544. Its totient is φ = 7760760.

The previous prime is 12029243. The next prime is 12029291. The reversal of 12029271 is 17292021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12029271 - 25 = 12029239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12029221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64581 + ... + 64766.

It is an arithmetic number, because the mean of its divisors is an integer number (2069568).

Almost surely, 212029271 is an apocalyptic number.

12029271 is a deficient number, since it is larger than the sum of its proper divisors (4527273).

12029271 is a wasteful number, since it uses less digits than its factorization.

12029271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129381.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12029271 is about 3468.3239468077. The cubic root of 12029271 is about 229.1288469747.

The spelling of 12029271 in words is "twelve million, twenty-nine thousand, two hundred seventy-one".

Divisors: 1 3 31 93 129347 388041 4009757 12029271