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12343900 = 2252123439
BaseRepresentation
bin101111000101…
…101001011100
3212020010122111
4233011221130
511130001100
61120323404
7206631022
oct57055134
925203574
1012343900
116a71178
124173564
1327326aa
1418d4712
15113c6ba
hexbc5a5c

12343900 has 18 divisors (see below), whose sum is σ = 26786480. Its totient is φ = 4937520.

The previous prime is 12343897. The next prime is 12343907. The reversal of 12343900 is 934321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343907) 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 5 ways as a sum of consecutive naturals, for example, 61620 + ... + 61819.

Almost surely, 212343900 is an apocalyptic number.

12343900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343900 is an abundant number, since it is smaller than the sum of its proper divisors (14442580).

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

12343900 is a wasteful number, since it uses less digits than its factorization.

12343900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123453 (or 123446 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12343900 is about 3513.3886776160. The cubic root of 12343900 is about 231.1093227659.

The spelling of 12343900 in words is "twelve million, three hundred forty-three thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 123439 246878 493756 617195 1234390 2468780 3085975 6171950 12343900