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14920190 = 251492019
BaseRepresentation
bin111000111010…
…100111111110
31001002000122122
4320322213332
512304421230
61251442542
7240551045
oct70724776
931060578
1014920190
11847083a
124bb6452
13312521c
141da555c
15149abe5
hexe3a9fe

14920190 has 8 divisors (see below), whose sum is σ = 26856360. Its totient is φ = 5968072.

The previous prime is 14920151. The next prime is 14920201. The reversal of 14920190 is 9102941.

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

It is a super-2 number, since 2×149201902 = 445224139272200, which contains 22 as substring.

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, 746000 + ... + 746019.

It is an arithmetic number, because the mean of its divisors is an integer number (3357045).

Almost surely, 214920190 is an apocalyptic number.

14920190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14920190 is a deficient number, since it is larger than the sum of its proper divisors (11936170).

14920190 is a wasteful number, since it uses less digits than its factorization.

14920190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492026.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 14920190 is about 3862.6661776550. Note that the first 3 decimals coincide. The cubic root of 14920190 is about 246.1830329724.

The spelling of 14920190 in words is "fourteen million, nine hundred twenty thousand, one hundred ninety".

Divisors: 1 2 5 10 1492019 2984038 7460095 14920190