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12138348 = 2231795651
BaseRepresentation
bin101110010011…
…011101101100
3211211200200110
4232103131230
511101411343
61112100020
7205113525
oct56233554
924750613
1012138348
1169407a2
124094610
13268cc71
14187d84c
1510eb833
hexb9376c

12138348 has 24 divisors (see below), whose sum is σ = 28486080. Its totient is φ = 4022800.

The previous prime is 12138317. The next prime is 12138353. The reversal of 12138348 is 84383121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (1186920).

Almost surely, 212138348 is an apocalyptic number.

It is an amenable number.

12138348 is an abundant number, since it is smaller than the sum of its proper divisors (16347732).

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

12138348 is a wasteful number, since it uses less digits than its factorization.

12138348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5835 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 12138348 is about 3484.0132031897. The cubic root of 12138348 is about 229.8193161923.

The spelling of 12138348 in words is "twelve million, one hundred thirty-eight thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 179 358 537 716 1074 2148 5651 11302 16953 22604 33906 67812 1011529 2023058 3034587 4046116 6069174 12138348