Base | Representation |
---|---|
bin | 111001001100… |
… | …010111111010 |
3 | 1001012201101020 |
4 | 321030113322 |
5 | 12314233030 |
6 | 1253203310 |
7 | 241303023 |
oct | 71142772 |
9 | 31181336 |
10 | 14992890 |
11 | 8510420 |
12 | 5030536 |
13 | 314c343 |
14 | 1dc3c4a |
15 | 14b2510 |
hex | e4c5fa |
14992890 has 32 divisors (see below), whose sum is σ = 39254976. Its totient is φ = 3634560.
The previous prime is 14992889. The next prime is 14992891. The reversal of 14992890 is 9829941.
It is an interprime number because it is at equal distance from previous prime (14992889) and next prime (14992891).
It is not an unprimeable number, because it can be changed into a prime (14992891) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22387 + ... + 23046.
It is an arithmetic number, because the mean of its divisors is an integer number (1226718).
Almost surely, 214992890 is an apocalyptic number.
14992890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
14992890 is an abundant number, since it is smaller than the sum of its proper divisors (24262086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14992890 is a wasteful number, since it uses less digits than its factorization.
14992890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45454.
The product of its (nonzero) digits is 46656, while the sum is 42.
The square root of 14992890 is about 3872.0653403578. The cubic root of 14992890 is about 246.5822351240.
It can be divided in two parts, 149 and 92890, that added together give a palindrome (93039).
The spelling of 14992890 in words is "fourteen million, nine hundred ninety-two thousand, eight hundred ninety".
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