Base | Representation |
---|---|
bin | 1010011001100… |
… | …10001011011110 |
3 | 20002011010010200 |
4 | 11030302023132 |
5 | 134313043332 |
6 | 12353444330 |
7 | 2106335163 |
oct | 514621336 |
9 | 202133120 |
10 | 87237342 |
11 | 45274785 |
12 | 252706a6 |
13 | 150c563a |
14 | b82c06a |
15 | 79d317c |
hex | 53322de |
87237342 has 24 divisors (see below), whose sum is σ = 194124216. Its totient is φ = 28292976.
The previous prime is 87237331. The next prime is 87237343. The reversal of 87237342 is 24373278.
87237342 is a `hidden beast` number, since 87 + 237 + 342 = 666.
It is a super-2 number, since 2×872373422 = 15220707678449928, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87237297 and 87237306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87237343) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64828 + ... + 66159.
It is an arithmetic number, because the mean of its divisors is an integer number (8088509).
Almost surely, 287237342 is an apocalyptic number.
87237342 is an abundant number, since it is smaller than the sum of its proper divisors (106886874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87237342 is a wasteful number, since it uses less digits than its factorization.
87237342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131032 (or 131029 counting only the distinct ones).
The product of its digits is 56448, while the sum is 36.
The square root of 87237342 is about 9340.0932543524. The cubic root of 87237342 is about 443.5073364243.
The spelling of 87237342 in words is "eighty-seven million, two hundred thirty-seven thousand, three hundred forty-two".
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