Base | Representation |
---|---|
bin | 10010001010110… |
… | …10101100101100 |
3 | 101121210111002202 |
4 | 21011122230230 |
5 | 303004240040 |
6 | 23042441032 |
7 | 3530335442 |
oct | 1105325454 |
9 | 347714082 |
10 | 152415020 |
11 | 7904172a |
12 | 43063178 |
13 | 25766204 |
14 | 16356b92 |
15 | d5aa015 |
hex | 915ab2c |
152415020 has 24 divisors (see below), whose sum is σ = 333988704. Its totient is φ = 58315136.
The previous prime is 152415019. The next prime is 152415071. The reversal of 152415020 is 20514251.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 152414983 and 152415001.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 165209 + ... + 166128.
It is an arithmetic number, because the mean of its divisors is an integer number (13916196).
Almost surely, 2152415020 is an apocalyptic number.
152415020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
152415020 is an abundant number, since it is smaller than the sum of its proper divisors (181573684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152415020 is a wasteful number, since it uses less digits than its factorization.
152415020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331369 (or 331367 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 152415020 is about 12345.6478161334. The cubic root of 152415020 is about 534.1656076664.
Adding to 152415020 its reverse (20514251), we get a palindrome (172929271).
The spelling of 152415020 in words is "one hundred fifty-two million, four hundred fifteen thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •