Base | Representation |
---|---|
bin | 1000010111010… |
… | …01011011111001 |
3 | 11220000121101212 |
4 | 10023221123321 |
5 | 120430142134 |
6 | 10543452505 |
7 | 1511240300 |
oct | 413513371 |
9 | 156017355 |
10 | 70162169 |
11 | 36671970 |
12 | 1b5b7135 |
13 | 116c759c |
14 | 9465437 |
15 | 625dbce |
hex | 42e96f9 |
70162169 has 12 divisors (see below), whose sum is σ = 89037648. Its totient is φ = 54671400.
The previous prime is 70162123. The next prime is 70162181. The reversal of 70162169 is 96126107.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-70162169 is a prime.
It is a super-2 number, since 2×701621692 = 9845459917569122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70162109) 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, 64547 + ... + 65624.
It is an arithmetic number, because the mean of its divisors is an integer number (7419804).
Almost surely, 270162169 is an apocalyptic number.
It is an amenable number.
70162169 is a deficient number, since it is larger than the sum of its proper divisors (18875479).
70162169 is a wasteful number, since it uses less digits than its factorization.
70162169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130196 (or 130189 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 70162169 is about 8376.2861102042. The cubic root of 70162169 is about 412.4465439146.
The spelling of 70162169 in words is "seventy million, one hundred sixty-two thousand, one hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •