Base | Representation |
---|---|
bin | 1000010110000… |
… | …10111100001101 |
3 | 11212201121010000 |
4 | 10023002330031 |
5 | 120410120433 |
6 | 10540234513 |
7 | 1510012506 |
oct | 413027415 |
9 | 155647100 |
10 | 70004493 |
11 | 36574459 |
12 | 1b53ba39 |
13 | 116708a0 |
14 | 9423bad |
15 | 622c113 |
hex | 42c2f0d |
70004493 has 40 divisors (see below), whose sum is σ = 118580000. Its totient is φ = 40800672.
The previous prime is 70004491. The next prime is 70004497. The reversal of 70004493 is 39440007.
It is not a de Polignac number, because 70004493 - 21 = 70004491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70004491) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18258 + ... + 21756.
It is an arithmetic number, because the mean of its divisors is an integer number (2964500).
Almost surely, 270004493 is an apocalyptic number.
It is an amenable number.
70004493 is a deficient number, since it is larger than the sum of its proper divisors (48575507).
70004493 is a wasteful number, since it uses less digits than its factorization.
70004493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3543 (or 3534 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 70004493 is about 8366.8687691394. The cubic root of 70004493 is about 412.1373473802.
The spelling of 70004493 in words is "seventy million, four thousand, four hundred ninety-three".
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