Base | Representation |
---|---|
bin | 1000011000010… |
… | …00111001011110 |
3 | 11220021011011210 |
4 | 10030020321132 |
5 | 120443303123 |
6 | 10550325250 |
7 | 1512315066 |
oct | 414107136 |
9 | 156234153 |
10 | 70291038 |
11 | 3674a774 |
12 | 1b659826 |
13 | 1174113c |
14 | 949a3a6 |
15 | 6286e93 |
hex | 4308e5e |
70291038 has 32 divisors (see below), whose sum is σ = 146313216. Its totient is φ = 22494368.
The previous prime is 70291037. The next prime is 70291087. The reversal of 70291038 is 83019207.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 70290996 and 70291014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70291031) 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, 12595 + ... + 17297.
It is an arithmetic number, because the mean of its divisors is an integer number (4572288).
Almost surely, 270291038 is an apocalyptic number.
70291038 is an abundant number, since it is smaller than the sum of its proper divisors (76022178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70291038 is a wasteful number, since it uses less digits than its factorization.
70291038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4808.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 70291038 is about 8383.9750715278. The cubic root of 70291038 is about 412.6989071938.
The spelling of 70291038 in words is "seventy million, two hundred ninety-one thousand, thirty-eight".
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