Base | Representation |
---|---|
bin | 1000011011000… |
… | …01000011110001 |
3 | 11220221111112010 |
4 | 10031201003301 |
5 | 121041332040 |
6 | 11002153133 |
7 | 1515350634 |
oct | 415410361 |
9 | 156844463 |
10 | 70652145 |
11 | 36977003 |
12 | 1b7b27a9 |
13 | 11839605 |
14 | 9551c1b |
15 | 6308e80 |
hex | 43610f1 |
70652145 has 16 divisors (see below), whose sum is σ = 113795712. Its totient is φ = 37430400.
The previous prime is 70652093. The next prime is 70652147. The reversal of 70652145 is 54125607.
It is not a de Polignac number, because 70652145 - 212 = 70648049 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (70652147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13332 + ... + 17861.
It is an arithmetic number, because the mean of its divisors is an integer number (7112232).
Almost surely, 270652145 is an apocalyptic number.
It is an amenable number.
70652145 is a deficient number, since it is larger than the sum of its proper divisors (43143567).
70652145 is a wasteful number, since it uses less digits than its factorization.
70652145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31352.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 70652145 is about 8405.4830319262. The cubic root of 70652145 is about 413.4044214503.
The spelling of 70652145 in words is "seventy million, six hundred fifty-two thousand, one hundred forty-five".
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