Base | Representation |
---|---|
bin | 1000011100111… |
… | …10111110001101 |
3 | 11221102101101120 |
4 | 10032132332031 |
5 | 121122440431 |
6 | 11011431153 |
7 | 1520455164 |
oct | 416367615 |
9 | 157371346 |
10 | 70905741 |
11 | 3702a595 |
12 | 1b8b54b9 |
13 | 118c7b7a |
14 | 95ba3db |
15 | 6359196 |
hex | 439ef8d |
70905741 has 4 divisors (see below), whose sum is σ = 94540992. Its totient is φ = 47270492.
The previous prime is 70905719. The next prime is 70905761. The reversal of 70905741 is 14750907.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 70905741 - 215 = 70872973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70905761) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11817621 + ... + 11817626.
It is an arithmetic number, because the mean of its divisors is an integer number (23635248).
Almost surely, 270905741 is an apocalyptic number.
It is an amenable number.
70905741 is a deficient number, since it is larger than the sum of its proper divisors (23635251).
70905741 is a wasteful number, since it uses less digits than its factorization.
70905741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23635250.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 70905741 is about 8420.5546729417. The cubic root of 70905741 is about 413.8984499697.
The spelling of 70905741 in words is "seventy million, nine hundred five thousand, seven hundred forty-one".
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