Base | Representation |
---|---|
bin | 1000011001010… |
… | …00101000011111 |
3 | 11220111202111001 |
4 | 10030220220133 |
5 | 121011433043 |
6 | 10553211131 |
7 | 1513366051 |
oct | 414505037 |
9 | 156452431 |
10 | 70421023 |
11 | 368293a2 |
12 | 1b700aa7 |
13 | 1178835a |
14 | 94d18d1 |
15 | 62b074d |
hex | 4328a1f |
70421023 has 8 divisors (see below), whose sum is σ = 71714160. Its totient is φ = 69132480.
The previous prime is 70421003. The next prime is 70421033. The reversal of 70421023 is 32012407.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70421023 - 25 = 70420991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70421003) 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, 48636 + ... + 50062.
It is an arithmetic number, because the mean of its divisors is an integer number (8964270).
Almost surely, 270421023 is an apocalyptic number.
70421023 is a deficient number, since it is larger than the sum of its proper divisors (1293137).
70421023 is a wasteful number, since it uses less digits than its factorization.
70421023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2297.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 70421023 is about 8391.7234820983. The cubic root of 70421023 is about 412.9531436542.
The spelling of 70421023 in words is "seventy million, four hundred twenty-one thousand, twenty-three".
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