Base | Representation |
---|---|
bin | 1010100000100… |
… | …01111101010100 |
3 | 20010212200110202 |
4 | 11100101331110 |
5 | 140031411230 |
6 | 12425240032 |
7 | 2120203400 |
oct | 520217524 |
9 | 203780422 |
10 | 88153940 |
11 | 458403a6 |
12 | 25633018 |
13 | 153568c4 |
14 | b9ca100 |
15 | 7b14a45 |
hex | 5411f54 |
88153940 has 72 divisors (see below), whose sum is σ = 224767872. Its totient is φ = 28902720.
The previous prime is 88153931. The next prime is 88153957. The reversal of 88153940 is 4935188.
It is a super-2 number, since 2×881539402 = 15542234275047200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 88153894 and 88153903.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20585 + ... + 24495.
It is an arithmetic number, because the mean of its divisors is an integer number (3121776).
Almost surely, 288153940 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 88153940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112383936).
88153940 is an abundant number, since it is smaller than the sum of its proper divisors (136613932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88153940 is a wasteful number, since it uses less digits than its factorization.
88153940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3957 (or 3948 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 88153940 is about 9389.0329640491. The cubic root of 88153940 is about 445.0552302783.
The spelling of 88153940 in words is "eighty-eight million, one hundred fifty-three thousand, nine hundred forty".
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