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12098390 = 251771167
BaseRepresentation
bin101110001001…
…101101010110
3211202122212112
4232021231112
511044122030
61111151022
7204556163
oct56115526
924678775
1012098390
116913777
124075472
132677a15
14186d06a
1510dea95
hexb89b56

12098390 has 16 divisors (see below), whose sum is σ = 23058432. Its totient is φ = 4554624.

The previous prime is 12098377. The next prime is 12098399. The reversal of 12098390 is 9389021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098399) 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, 35414 + ... + 35753.

It is an arithmetic number, because the mean of its divisors is an integer number (1441152).

Almost surely, 212098390 is an apocalyptic number.

12098390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12098390 is a deficient number, since it is larger than the sum of its proper divisors (10960042).

12098390 is a wasteful number, since it uses less digits than its factorization.

12098390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71191.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12098390 is about 3478.2739972578. The cubic root of 12098390 is about 229.5668596723.

The spelling of 12098390 in words is "twelve million, ninety-eight thousand, three hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 71167 142334 355835 711670 1209839 2419678 6049195 12098390