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12029091 = 323317209
BaseRepresentation
bin101101111000…
…110010100011
3211122010210220
4231320302203
511034412331
61105454123
7204150144
oct55706243
924563726
1012029091
1168766a8
124041343
132652309
141851acb
1510c9296
hexb78ca3

12029091 has 8 divisors (see below), whose sum is σ = 16108560. Its totient is φ = 7984512.

The previous prime is 12029089. The next prime is 12029117. The reversal of 12029091 is 19092021.

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

It is not a de Polignac number, because 12029091 - 21 = 12029089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12029041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7906 + ... + 9303.

It is an arithmetic number, because the mean of its divisors is an integer number (2013570).

Almost surely, 212029091 is an apocalyptic number.

12029091 is a deficient number, since it is larger than the sum of its proper divisors (4079469).

12029091 is a wasteful number, since it uses less digits than its factorization.

12029091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 12029091 is about 3468.2979975775. The cubic root of 12029091 is about 229.1277041125.

The spelling of 12029091 in words is "twelve million, twenty-nine thousand, ninety-one".

Divisors: 1 3 233 699 17209 51627 4009697 12029091