Base | Representation |
---|---|
bin | 10010001011101… |
… | …00010101011110 |
3 | 101121222211011000 |
4 | 21011310111132 |
5 | 303021120110 |
6 | 23045011130 |
7 | 3531253545 |
oct | 1105642536 |
9 | 347884130 |
10 | 152520030 |
11 | 79103613 |
12 | 430b3aa6 |
13 | 257a1c50 |
14 | 1638315c |
15 | d5cb1c0 |
hex | 917455e |
152520030 has 128 divisors (see below), whose sum is σ = 461260800. Its totient is φ = 35551872.
The previous prime is 152520013. The next prime is 152520037. The reversal of 152520030 is 30025251.
It is a happy number.
152520030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 152519985 and 152520012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152520037) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65547 + ... + 67833.
It is an arithmetic number, because the mean of its divisors is an integer number (3603600).
Almost surely, 2152520030 is an apocalyptic number.
152520030 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 152520030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230630400).
152520030 is an abundant number, since it is smaller than the sum of its proper divisors (308740770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152520030 is a wasteful number, since it uses less digits than its factorization.
152520030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2335 (or 2329 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 152520030 is about 12349.8999995951. The cubic root of 152520030 is about 534.2882549253.
Adding to 152520030 its reverse (30025251), we get a palindrome (182545281).
The spelling of 152520030 in words is "one hundred fifty-two million, five hundred twenty thousand, thirty".
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