Base | Representation |
---|---|
bin | 101000111001… |
… | …101001111010 |
3 | 202011201200221 |
4 | 220321221322 |
5 | 10221100124 |
6 | 1021450254 |
7 | 160064140 |
oct | 50715172 |
9 | 22151627 |
10 | 10721914 |
11 | 6063595 |
12 | 371098a |
13 | 22b5338 |
14 | 15d1590 |
15 | e1bce4 |
hex | a39a7a |
10721914 has 8 divisors (see below), whose sum is σ = 18380448. Its totient is φ = 4595100.
The previous prime is 10721911. The next prime is 10721981. The reversal of 10721914 is 41912701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×107219142 = 229918879646792, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10721911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382912 + ... + 382939.
It is an arithmetic number, because the mean of its divisors is an integer number (2297556).
Almost surely, 210721914 is an apocalyptic number.
10721914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
10721914 is a deficient number, since it is larger than the sum of its proper divisors (7658534).
10721914 is an equidigital number, since it uses as much as digits as its factorization.
10721914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765860.
The product of its (nonzero) digits is 504, while the sum is 25.
The square root of 10721914 is about 3274.4333860990. The cubic root of 10721914 is about 220.5078762379.
The spelling of 10721914 in words is "ten million, seven hundred twenty-one thousand, nine hundred fourteen".
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