Base | Representation |
---|---|
bin | 1000011011101… |
… | …11101111110111 |
3 | 11221010020000010 |
4 | 10031313233313 |
5 | 121102320304 |
6 | 11004151303 |
7 | 1516215606 |
oct | 415675767 |
9 | 157106003 |
10 | 70745079 |
11 | 36a2a909 |
12 | 1b838533 |
13 | 1186c9c2 |
14 | 9577a3d |
15 | 6326789 |
hex | 4377bf7 |
70745079 has 16 divisors (see below), whose sum is σ = 98721792. Its totient is φ = 44978208.
The previous prime is 70745009. The next prime is 70745137. The reversal of 70745079 is 97054707.
It is not a de Polignac number, because 70745079 - 215 = 70712311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70745009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25089 + ... + 27765.
It is an arithmetic number, because the mean of its divisors is an integer number (6170112).
Almost surely, 270745079 is an apocalyptic number.
70745079 is a deficient number, since it is larger than the sum of its proper divisors (27976713).
70745079 is a wasteful number, since it uses less digits than its factorization.
70745079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3086.
The product of its (nonzero) digits is 61740, while the sum is 39.
The square root of 70745079 is about 8411.0093924570. The cubic root of 70745079 is about 413.5856025197.
The spelling of 70745079 in words is "seventy million, seven hundred forty-five thousand, seventy-nine".
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