Base | Representation |
---|---|
bin | 1001000111001… |
… | …0000110000110 |
3 | 2122220120121000 |
4 | 2101302012012 |
5 | 34240403240 |
6 | 3443034130 |
7 | 642555054 |
oct | 221620606 |
9 | 78816530 |
10 | 38216070 |
11 | 1a632332 |
12 | 1096b946 |
13 | 7bc0879 |
14 | 510b1d4 |
15 | 354d430 |
hex | 2472186 |
38216070 has 64 divisors (see below), whose sum is σ = 103680000. Its totient is φ = 10014048.
The previous prime is 38216053. The next prime is 38216081. The reversal of 38216070 is 7061283.
38216070 is a `hidden beast` number, since 38 + 21 + 607 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14731 + ... + 17129.
It is an arithmetic number, because the mean of its divisors is an integer number (1620000).
Almost surely, 238216070 is an apocalyptic number.
38216070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38216070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51840000).
38216070 is an abundant number, since it is smaller than the sum of its proper divisors (65463930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38216070 is a wasteful number, since it uses less digits than its factorization.
38216070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2474 (or 2468 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 38216070 is about 6181.9147519195. The cubic root of 38216070 is about 336.8335490434.
The spelling of 38216070 in words is "thirty-eight million, two hundred sixteen thousand, seventy".
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