Base | Representation |
---|---|
bin | 1000010001010… |
… | …00100001000100 |
3 | 11211112110110022 |
4 | 10020220201010 |
5 | 120224400342 |
6 | 10514514312 |
7 | 1501436435 |
oct | 410504104 |
9 | 154473408 |
10 | 69371972 |
11 | 3618220a |
12 | 1b295998 |
13 | 114aba07 |
14 | 92db48c |
15 | 61549d2 |
hex | 4228844 |
69371972 has 12 divisors (see below), whose sum is σ = 122357760. Its totient is φ = 34412616.
The previous prime is 69371957. The next prime is 69371989. The reversal of 69371972 is 27917396.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67772 + ... + 68787.
It is an arithmetic number, because the mean of its divisors is an integer number (10196480).
Almost surely, 269371972 is an apocalyptic number.
It is an amenable number.
69371972 is a deficient number, since it is larger than the sum of its proper divisors (52985788).
69371972 is a wasteful number, since it uses less digits than its factorization.
69371972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136690 (or 136688 counting only the distinct ones).
The product of its digits is 142884, while the sum is 44.
The square root of 69371972 is about 8328.9838515872. The cubic root of 69371972 is about 410.8923100187.
The spelling of 69371972 in words is "sixty-nine million, three hundred seventy-one thousand, nine hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •