Base | Representation |
---|---|
bin | 10100000001110… |
… | …11001110010100 |
3 | 102201011000220011 |
4 | 22000323032110 |
5 | 321002432430 |
6 | 24401050004 |
7 | 4110046615 |
oct | 1200731624 |
9 | 381130804 |
10 | 168014740 |
11 | 86926a63 |
12 | 48326904 |
13 | 28a6880a |
14 | 18457c0c |
15 | eb3c22a |
hex | a03b394 |
168014740 has 48 divisors (see below), whose sum is σ = 379756944. Its totient is φ = 62208000.
The previous prime is 168014729. The next prime is 168014741. The reversal of 168014740 is 47410861.
It can be written as a sum of positive squares in 8 ways, for example, as 4072324 + 163942416 = 2018^2 + 12804^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168014741) 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, 16690 + ... + 24790.
It is an arithmetic number, because the mean of its divisors is an integer number (7911603).
Almost surely, 2168014740 is an apocalyptic number.
168014740 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 168014740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189878472).
168014740 is an abundant number, since it is smaller than the sum of its proper divisors (211742204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168014740 is a wasteful number, since it uses less digits than its factorization.
168014740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8188 (or 8186 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 168014740 is about 12962.0499921887. The cubic root of 168014740 is about 551.8009723211.
The spelling of 168014740 in words is "one hundred sixty-eight million, fourteen thousand, seven hundred forty".
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