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12103390 = 251393103
BaseRepresentation
bin101110001010…
…111011011110
3211202220201201
4232022323132
511044302030
61111230114
7204606565
oct56127336
924686651
1012103390
116917502
12407833a
13267a090
141870bdc
1510e12ca
hexb8aede

12103390 has 16 divisors (see below), whose sum is σ = 23462208. Its totient is φ = 4468896.

The previous prime is 12103387. The next prime is 12103409. The reversal of 12103390 is 9330121.

It is a congruent number.

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, 46422 + ... + 46681.

It is an arithmetic number, because the mean of its divisors is an integer number (1466388).

Almost surely, 212103390 is an apocalyptic number.

12103390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103390 is a deficient number, since it is larger than the sum of its proper divisors (11358818).

12103390 is a wasteful number, since it uses less digits than its factorization.

12103390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93123.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 12103390 is about 3478.9926702998. The cubic root of 12103390 is about 229.5984803041.

The spelling of 12103390 in words is "twelve million, one hundred three thousand, three hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 93103 186206 465515 931030 1210339 2420678 6051695 12103390