Base | Representation |
---|---|
bin | 1000011000111… |
… | …11011100010101 |
3 | 11220102211211220 |
4 | 10030133130111 |
5 | 121004232011 |
6 | 10552320553 |
7 | 1513151235 |
oct | 414373425 |
9 | 156384756 |
10 | 70383381 |
11 | 36803092 |
12 | 1b6a3159 |
13 | 11774193 |
14 | 94c1cc5 |
15 | 62a4506 |
hex | 431f715 |
70383381 has 8 divisors (see below), whose sum is σ = 97924800. Its totient is φ = 44882112.
The previous prime is 70383373. The next prime is 70383403. The reversal of 70383381 is 18338307.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70383381 - 23 = 70383373 is a prime.
It is a super-2 number, since 2×703833812 = 9907640641982322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70383301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509956 + ... + 510093.
It is an arithmetic number, because the mean of its divisors is an integer number (12240600).
Almost surely, 270383381 is an apocalyptic number.
It is an amenable number.
70383381 is a deficient number, since it is larger than the sum of its proper divisors (27541419).
70383381 is a wasteful number, since it uses less digits than its factorization.
70383381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020075.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 70383381 is about 8389.4803772343. The cubic root of 70383381 is about 412.8795522179.
The spelling of 70383381 in words is "seventy million, three hundred eighty-three thousand, three hundred eighty-one".
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