Base | Representation |
---|---|
bin | 10001111111000… |
… | …01000111110101 |
3 | 101111212220122002 |
4 | 20333201013311 |
5 | 302110242334 |
6 | 22545345045 |
7 | 3511234523 |
oct | 1077410765 |
9 | 344786562 |
10 | 150868469 |
11 | 78185794 |
12 | 42638185 |
13 | 253442ab |
14 | 16073313 |
15 | d3a1b7e |
hex | 8fe11f5 |
150868469 has 4 divisors (see below), whose sum is σ = 156070860. Its totient is φ = 145666080.
The previous prime is 150868457. The next prime is 150868481. The reversal of 150868469 is 964868051.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (150868457) and next prime (150868481).
It can be written as a sum of positive squares in 2 ways, for example, as 70980625 + 79887844 = 8425^2 + 8938^2 .
It is a cyclic number.
It is not a de Polignac number, because 150868469 - 24 = 150868453 is a prime.
It is a super-2 number, since 2×1508684692 = 45522589876807922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150868409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601152 + ... + 2601209.
It is an arithmetic number, because the mean of its divisors is an integer number (39017715).
Almost surely, 2150868469 is an apocalyptic number.
It is an amenable number.
150868469 is a deficient number, since it is larger than the sum of its proper divisors (5202391).
150868469 is an equidigital number, since it uses as much as digits as its factorization.
150868469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5202390.
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 150868469 is about 12282.8526409788. The cubic root of 150868469 is about 532.3527408418.
The spelling of 150868469 in words is "one hundred fifty million, eight hundred sixty-eight thousand, four hundred sixty-nine".
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