Base | Representation |
---|---|
bin | 10010110101110… |
… | …11011101001100 |
3 | 102000101222122000 |
4 | 21122323131030 |
5 | 310430213340 |
6 | 23403352300 |
7 | 3626303322 |
oct | 1132733514 |
9 | 360358560 |
10 | 158054220 |
11 | 81243525 |
12 | 44b22690 |
13 | 2698bc0c |
14 | 16dc3d12 |
15 | dd20d30 |
hex | 96bb74c |
158054220 has 48 divisors (see below), whose sum is σ = 491725920. Its totient is φ = 42147648.
The previous prime is 158054209. The next prime is 158054227. The reversal of 158054220 is 22450851.
It is a happy number.
It is a super-2 number, since 2×1580542202 = 49962272919616800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (158054227) 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, 145807 + ... + 146886.
It is an arithmetic number, because the mean of its divisors is an integer number (10244290).
Almost surely, 2158054220 is an apocalyptic number.
158054220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
158054220 is an abundant number, since it is smaller than the sum of its proper divisors (333671700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158054220 is a wasteful number, since it uses less digits than its factorization.
158054220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292711 (or 292703 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 158054220 is about 12571.9616607751. The cubic root of 158054220 is about 540.6738501305.
The spelling of 158054220 in words is "one hundred fifty-eight million, fifty-four thousand, two hundred twenty".
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