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12422470 = 256718541
BaseRepresentation
bin101111011000…
…110101000110
3212101010102111
4233120311012
511140004340
61122131234
7210406054
oct57306506
925333374
1012422470
117015205
1241b0b1a
13275c398
1419151d4
151155aea
hexbd8d46

12422470 has 16 divisors (see below), whose sum is σ = 22695408. Its totient is φ = 4894560.

The previous prime is 12422453. The next prime is 12422471. The reversal of 12422470 is 7422421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422471) 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, 8601 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (1418463).

Almost surely, 212422470 is an apocalyptic number.

12422470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12422470 is a deficient number, since it is larger than the sum of its proper divisors (10272938).

12422470 is a wasteful number, since it uses less digits than its factorization.

12422470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18615.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 12422470 is about 3524.5524538585. The cubic root of 12422470 is about 231.5986297339.

Adding to 12422470 its reverse (7422421), we get a palindrome (19844891).

The spelling of 12422470 in words is "twelve million, four hundred twenty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 67 134 335 670 18541 37082 92705 185410 1242247 2484494 6211235 12422470