Base | Representation |
---|---|
bin | 10010001001010… |
… | …01010000110010 |
3 | 101121102012100010 |
4 | 21010221100302 |
5 | 302431300110 |
6 | 23034235350 |
7 | 3525533211 |
oct | 1104512062 |
9 | 347365303 |
10 | 152212530 |
11 | 78a13588 |
12 | 42b85b56 |
13 | 256c4cb2 |
14 | 16303078 |
15 | d56a020 |
hex | 9129432 |
152212530 has 32 divisors (see below), whose sum is σ = 367740288. Its totient is φ = 40320000.
The previous prime is 152212523. The next prime is 152212531. The reversal of 152212530 is 35212251.
It is a junction number, because it is equal to n+sod(n) for n = 152212497 and 152212506.
It is not an unprimeable number, because it can be changed into a prime (152212531) 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, 12271 + ... + 21330.
It is an arithmetic number, because the mean of its divisors is an integer number (11491884).
Almost surely, 2152212530 is an apocalyptic number.
152212530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
152212530 is an abundant number, since it is smaller than the sum of its proper divisors (215527758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152212530 is a wasteful number, since it uses less digits than its factorization.
152212530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33762.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 152212530 is about 12337.4442247979. Note that the first 3 decimals coincide. The cubic root of 152212530 is about 533.9289487310.
Adding to 152212530 its reverse (35212251), we get a palindrome (187424781).
The spelling of 152212530 in words is "one hundred fifty-two million, two hundred twelve thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •