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12284031 = 34094677
BaseRepresentation
bin101110110111…
…000001111111
3212010002112010
4232313001333
511121042111
61115142303
7206261334
oct56670177
925102463
1012284031
116a301a1
124144993
132711376
1418ba98b
151129aa6
hexbb707f

12284031 has 4 divisors (see below), whose sum is σ = 16378712. Its totient is φ = 8189352.

The previous prime is 12284021. The next prime is 12284033. The reversal of 12284031 is 13048221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12284031 - 213 = 12275839 is a prime.

It is a super-2 number, since 2×122840312 = 301794835217922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12283989 and 12284007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12284033) 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, 2047336 + ... + 2047341.

It is an arithmetic number, because the mean of its divisors is an integer number (4094678).

Almost surely, 212284031 is an apocalyptic number.

12284031 is a deficient number, since it is larger than the sum of its proper divisors (4094681).

12284031 is an equidigital number, since it uses as much as digits as its factorization.

12284031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094680.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12284031 is about 3504.8581996994. The cubic root of 12284031 is about 230.7350835714.

The spelling of 12284031 in words is "twelve million, two hundred eighty-four thousand, thirty-one".

Divisors: 1 3 4094677 12284031