Base | Representation |
---|---|
bin | 1000011011101… |
… | …10000001111111 |
3 | 11221002212100200 |
4 | 10031312001333 |
5 | 121102104142 |
6 | 11004054543 |
7 | 1516156242 |
oct | 415660177 |
9 | 157085320 |
10 | 70738047 |
11 | 36a255a6 |
12 | 1b834453 |
13 | 11869743 |
14 | 9575259 |
15 | 632464c |
hex | 437607f |
70738047 has 12 divisors (see below), whose sum is σ = 105700920. Its totient is φ = 45532368.
The previous prime is 70738039. The next prime is 70738051. The reversal of 70738047 is 74083707.
It is a happy number.
It is not a de Polignac number, because 70738047 - 23 = 70738039 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70738247) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135253 + ... + 135774.
It is an arithmetic number, because the mean of its divisors is an integer number (8808410).
Almost surely, 270738047 is an apocalyptic number.
70738047 is a deficient number, since it is larger than the sum of its proper divisors (34962873).
70738047 is a wasteful number, since it uses less digits than its factorization.
70738047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271062 (or 271059 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 36.
The square root of 70738047 is about 8410.5913585193. The cubic root of 70738047 is about 413.5718987145.
The spelling of 70738047 in words is "seventy million, seven hundred thirty-eight thousand, forty-seven".
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