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12053490 = 2353710859
BaseRepresentation
bin101101111110…
…101111110010
3211200101021120
4231332233302
511041202430
61110203110
7204311241
oct55765762
924611246
1012053490
116892a69
124053496
132660457
14185a958
1510d1610
hexb7ebf2

12053490 has 32 divisors (see below), whose sum is σ = 29712960. Its totient is φ = 3127104.

The previous prime is 12053477. The next prime is 12053491. The reversal of 12053490 is 9435021.

It is a self number, because there is not a number n which added to its sum of digits gives 12053490.

It is not an unprimeable number, because it can be changed into a prime (12053491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4320 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (928530).

Almost surely, 212053490 is an apocalyptic number.

12053490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12053490 is an abundant number, since it is smaller than the sum of its proper divisors (17659470).

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

12053490 is a wasteful number, since it uses less digits than its factorization.

12053490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12053490 is about 3471.8136470727. The cubic root of 12053490 is about 229.2825152371.

The spelling of 12053490 in words is "twelve million, fifty-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 10859 21718 32577 54295 65154 108590 162885 325770 401783 803566 1205349 2008915 2410698 4017830 6026745 12053490