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12250190 = 251225019
BaseRepresentation
bin101110101110…
…110001001110
3212001101002202
4232232301032
511114001230
61114321502
7206060561
oct56566116
925041082
1012250190
116a07827
124129292
1326cbb44
1418ac4d8
15111ea45
hexbaec4e

12250190 has 8 divisors (see below), whose sum is σ = 22050360. Its totient is φ = 4900072.

The previous prime is 12250187. The next prime is 12250211. The reversal of 12250190 is 9105221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122501902 = 300134310072200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612500 + ... + 612519.

It is an arithmetic number, because the mean of its divisors is an integer number (2756295).

Almost surely, 212250190 is an apocalyptic number.

12250190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12250190 is a deficient number, since it is larger than the sum of its proper divisors (9800170).

12250190 is a wasteful number, since it uses less digits than its factorization.

12250190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225026.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 12250190 is about 3500.0271427519. The cubic root of 12250190 is about 230.5230064102.

The spelling of 12250190 in words is "twelve million, two hundred fifty thousand, one hundred ninety".

Divisors: 1 2 5 10 1225019 2450038 6125095 12250190