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12431034 = 2327118969
BaseRepresentation
bin101111011010…
…111010111010
3212101120011200
4233122322322
511140243114
61122235030
7210443040
oct57327272
925346150
1012431034
117020690
1241b5a76
132763255
141918390
151158409
hexbdaeba

12431034 has 48 divisors (see below), whose sum is σ = 33583680. Its totient is φ = 3228480.

The previous prime is 12431033. The next prime is 12431057. The reversal of 12431034 is 43013421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12430998 and 12431016.

It is not an unprimeable number, because it can be changed into a prime (12431033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3099 + ... + 5870.

It is an arithmetic number, because the mean of its divisors is an integer number (699660).

Almost surely, 212431034 is an apocalyptic number.

12431034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12431034 is an abundant number, since it is smaller than the sum of its proper divisors (21152646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431034 is a wasteful number, since it uses less digits than its factorization.

12431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995 (or 8992 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12431034 is about 3525.7671505645. The cubic root of 12431034 is about 231.6518385577.

Adding to 12431034 its reverse (43013421), we get a palindrome (55444455).

The spelling of 12431034 in words is "twelve million, four hundred thirty-one thousand, thirty-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 8969 17938 26907 53814 62783 80721 98659 125566 161442 188349 197318 295977 376698 565047 591954 690613 887931 1130094 1381226 1775862 2071839 4143678 6215517 12431034