Base | Representation |
---|---|
bin | 10010110111001… |
… | …11010001010000 |
3 | 102000202002210200 |
4 | 21123213101100 |
5 | 311001434210 |
6 | 23411255200 |
7 | 3630651453 |
oct | 1133472120 |
9 | 360662720 |
10 | 158233680 |
11 | 81356340 |
12 | 44baa500 |
13 | 26a227c7 |
14 | 1702d49a |
15 | dd590c0 |
hex | 96e7450 |
158233680 has 120 divisors (see below), whose sum is σ = 579739680. Its totient is φ = 38357760.
The previous prime is 158233627. The next prime is 158233681. The reversal of 158233680 is 86332851.
It is a tau number, because it is divible by the number of its divisors (120).
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 (158233681) by changing a digit.
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, 2070 + ... + 17909.
It is an arithmetic number, because the mean of its divisors is an integer number (4831164).
Almost surely, 2158233680 is an apocalyptic number.
158233680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 158233680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289869840).
158233680 is an abundant number, since it is smaller than the sum of its proper divisors (421506000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158233680 is a wasteful number, since it uses less digits than its factorization.
158233680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20009 (or 20000 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 158233680 is about 12579.0969469195. The cubic root of 158233680 is about 540.8784057335.
It can be divided in two parts, 15823 and 3680, that added together give a triangular number (19503 = T197).
The spelling of 158233680 in words is "one hundred fifty-eight million, two hundred thirty-three thousand, six hundred eighty".
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