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12201933 = 319214069
BaseRepresentation
bin101110100010…
…111111001101
3211221220220110
4232202333031
511110430213
61113310233
7205500102
oct56427715
924856813
1012201933
116984547
124105379
1326b2ba3
141898aa9
1511105c3
hexba2fcd

12201933 has 8 divisors (see below), whose sum is σ = 17125600. Its totient is φ = 7706448.

The previous prime is 12201923. The next prime is 12201961. The reversal of 12201933 is 33910221.

It is a happy number.

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

It is not a de Polignac number, because 12201933 - 25 = 12201901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201923) 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, 106978 + ... + 107091.

It is an arithmetic number, because the mean of its divisors is an integer number (2140700).

Almost surely, 212201933 is an apocalyptic number.

It is an amenable number.

12201933 is a deficient number, since it is larger than the sum of its proper divisors (4923667).

12201933 is a wasteful number, since it uses less digits than its factorization.

12201933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214091.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12201933 is about 3493.1265364999. The cubic root of 12201933 is about 230.2199093942.

The spelling of 12201933 in words is "twelve million, two hundred one thousand, nine hundred thirty-three".

Divisors: 1 3 19 57 214069 642207 4067311 12201933