Base | Representation |
---|---|
bin | 10001111011100… |
… | …11111110100111 |
3 | 101111001012101112 |
4 | 20331303332213 |
5 | 302001441130 |
6 | 22532015235 |
7 | 3504363254 |
oct | 1075637647 |
9 | 344035345 |
10 | 150421415 |
11 | 779aa921 |
12 | 4246151b |
13 | 25218971 |
14 | 15d9842b |
15 | d314495 |
hex | 8f73fa7 |
150421415 has 16 divisors (see below), whose sum is σ = 185340960. Its totient is φ = 117127680.
The previous prime is 150421399. The next prime is 150421429. The reversal of 150421415 is 514124051.
It is not a de Polignac number, because 150421415 - 24 = 150421399 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165392 + ... + 166298.
It is an arithmetic number, because the mean of its divisors is an integer number (11583810).
Almost surely, 2150421415 is an apocalyptic number.
150421415 is a deficient number, since it is larger than the sum of its proper divisors (34919545).
150421415 is an equidigital number, since it uses as much as digits as its factorization.
150421415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1762.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 150421415 is about 12264.6408426827. The cubic root of 150421415 is about 531.8263974141.
Adding to 150421415 its reverse (514124051), we get a palindrome (664545466).
The spelling of 150421415 in words is "one hundred fifty million, four hundred twenty-one thousand, four hundred fifteen".
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