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12423465 = 325535209
BaseRepresentation
bin101111011001…
…000100101001
3212101011210100
4233121010221
511140022330
61122140013
7210412005
oct57310451
925334710
1012423465
117015a2a
1241b1609
13275c982
141915705
151156060
hexbd9129

12423465 has 24 divisors (see below), whose sum is σ = 21944520. Its totient is φ = 6499584.

The previous prime is 12423457. The next prime is 12423487. The reversal of 12423465 is 56432421.

12423465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5890329 + 6533136 = 2427^2 + 2556^2 .

It is not a de Polignac number, because 12423465 - 23 = 12423457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (914355).

Almost surely, 212423465 is an apocalyptic number.

12423465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12423465 is a deficient number, since it is larger than the sum of its proper divisors (9521055).

12423465 is a wasteful number, since it uses less digits than its factorization.

12423465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273 (or 5270 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12423465 is about 3524.6936037052. The cubic root of 12423465 is about 231.6048130046.

Adding to 12423465 its reverse (56432421), we get a palindrome (68855886).

The spelling of 12423465 in words is "twelve million, four hundred twenty-three thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 45 53 159 265 477 795 2385 5209 15627 26045 46881 78135 234405 276077 828231 1380385 2484693 4141155 12423465