Base | Representation |
---|---|
bin | 10010001010000… |
… | …01010110111110 |
3 | 101121121012201200 |
4 | 21011001112332 |
5 | 302442424410 |
6 | 23040320330 |
7 | 3526424031 |
oct | 1105012676 |
9 | 347535650 |
10 | 152311230 |
11 | 78a80755 |
12 | 430130a6 |
13 | 2572abb6 |
14 | 1632b018 |
15 | d5893c0 |
hex | 91415be |
152311230 has 48 divisors (see below), whose sum is σ = 397837440. Its totient is φ = 40428864.
The previous prime is 152311213. The next prime is 152311253. The reversal of 152311230 is 32113251.
152311230 is a `hidden beast` number, since 1 + 523 + 112 + 30 = 666.
It is a super-2 number, since 2×1523112302 = 46397421568225800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 16276 + ... + 23864.
It is an arithmetic number, because the mean of its divisors is an integer number (8288280).
Almost surely, 2152311230 is an apocalyptic number.
152311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 152311230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198918720).
152311230 is an abundant number, since it is smaller than the sum of its proper divisors (245526210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152311230 is a wasteful number, since it uses less digits than its factorization.
152311230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7825 (or 7822 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 152311230 is about 12341.4435946529. The cubic root of 152311230 is about 534.0443299478.
Adding to 152311230 its reverse (32113251), we get a palindrome (184424481).
It can be divided in two parts, 15231 and 1230, that added together give a palindrome (16461).
The spelling of 152311230 in words is "one hundred fifty-two million, three hundred eleven thousand, two hundred thirty".
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