Base | Representation |
---|---|
bin | 1010011001101… |
… | …00011100010100 |
3 | 20002011120212000 |
4 | 11030310130110 |
5 | 134313342422 |
6 | 12353555300 |
7 | 2106404205 |
oct | 514643424 |
9 | 202146760 |
10 | 87246612 |
11 | 45280742 |
12 | 25275b30 |
13 | 150c991b |
14 | b8315ac |
15 | 79d5cac |
hex | 5334714 |
87246612 has 48 divisors (see below), whose sum is σ = 228943680. Its totient is φ = 28728864.
The previous prime is 87246589. The next prime is 87246619. The reversal of 87246612 is 21664278.
It is a super-2 number, since 2×872466122 = 15223942610957088, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87246619) 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, 4098 + ... + 13830.
It is an arithmetic number, because the mean of its divisors is an integer number (4769660).
Almost surely, 287246612 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87246612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114471840).
87246612 is an abundant number, since it is smaller than the sum of its proper divisors (141697068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87246612 is a wasteful number, since it uses less digits than its factorization.
87246612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9829 (or 9821 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 87246612 is about 9340.5894888920. The cubic root of 87246612 is about 443.5230451689.
The spelling of 87246612 in words is "eighty-seven million, two hundred forty-six thousand, six hundred twelve".
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