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12290835 = 35819389
BaseRepresentation
bin101110111000…
…101100010011
3212010102212010
4232320230103
511121301320
61115234003
7206320224
oct56705423
925112763
1012290835
116a35317
124148903
1327144ab
1418bd24b
15112bae0
hexbb8b13

12290835 has 8 divisors (see below), whose sum is σ = 19665360. Its totient is φ = 6555104.

The previous prime is 12290833. The next prime is 12290843. The reversal of 12290835 is 53809221.

It is a happy number.

12290835 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12290835 - 21 = 12290833 is a prime.

It is a super-3 number, since 3×122908353 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12290833) 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, 409680 + ... + 409709.

It is an arithmetic number, because the mean of its divisors is an integer number (2458170).

Almost surely, 212290835 is an apocalyptic number.

12290835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12290835 is a deficient number, since it is larger than the sum of its proper divisors (7374525).

12290835 is an equidigital number, since it uses as much as digits as its factorization.

12290835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819397.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12290835 is about 3505.8287180066. The cubic root of 12290835 is about 230.7776763148. Note that the first 3 decimals are identical.

The spelling of 12290835 in words is "twelve million, two hundred ninety thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 819389 2458167 4096945 12290835