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12343490 = 251234349
BaseRepresentation
bin101111000101…
…100011000010
3212020010002022
4233011203002
511124442430
61120321442
7206626565
oct57054302
925203068
1012343490
116a70935
124173282
132732453
1418d44dc
15113c4e5
hexbc58c2

12343490 has 8 divisors (see below), whose sum is σ = 22218300. Its totient is φ = 4937392.

The previous prime is 12343481. The next prime is 12343519. The reversal of 12343490 is 9434321.

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 100489 = 3499^2 + 317^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617165 + ... + 617184.

Almost surely, 212343490 is an apocalyptic number.

12343490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12343490 is a deficient number, since it is larger than the sum of its proper divisors (9874810).

12343490 is a wasteful number, since it uses less digits than its factorization.

12343490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234356.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 12343490 is about 3513.3303289045. The cubic root of 12343490 is about 231.1067639886.

The spelling of 12343490 in words is "twelve million, three hundred forty-three thousand, four hundred ninety".

Divisors: 1 2 5 10 1234349 2468698 6171745 12343490