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12420058 = 276713241
BaseRepresentation
bin101111011000…
…001111011010
3212101000010011
4233120033122
511134420213
61122112134
7210366040
oct57301732
925330104
1012420058
117013412
1241ab64a
13275b261
141914390
15115503d
hexbd83da

12420058 has 16 divisors (see below), whose sum is σ = 21610944. Its totient is φ = 5243040.

The previous prime is 12420043. The next prime is 12420059. The reversal of 12420058 is 85002421.

It is not an unprimeable number, because it can be changed into a prime (12420059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5683 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (1350684).

Almost surely, 212420058 is an apocalyptic number.

12420058 is a deficient number, since it is larger than the sum of its proper divisors (9190886).

12420058 is a wasteful number, since it uses less digits than its factorization.

12420058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12420058 is about 3524.2102661447. The cubic root of 12420058 is about 231.5836393696.

Adding to 12420058 its reverse (85002421), we get a palindrome (97422479).

The spelling of 12420058 in words is "twelve million, four hundred twenty thousand, fifty-eight".

Divisors: 1 2 7 14 67 134 469 938 13241 26482 92687 185374 887147 1774294 6210029 12420058