Base | Representation |
---|---|
bin | 1000010101101… |
… | …01001001110100 |
3 | 11212121201122102 |
4 | 10022311021310 |
5 | 120401314040 |
6 | 10535121232 |
7 | 1506356042 |
oct | 412651164 |
9 | 155551572 |
10 | 69948020 |
11 | 36535a8a |
12 | 1b513218 |
13 | 11650c7c |
14 | 940b392 |
15 | 621a515 |
hex | 42b5274 |
69948020 has 24 divisors (see below), whose sum is σ = 147667968. Its totient is φ = 27831200.
The previous prime is 69947989. The next prime is 69948041. The reversal of 69948020 is 2084996.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5336 + ... + 12975.
It is an arithmetic number, because the mean of its divisors is an integer number (6152832).
Almost surely, 269948020 is an apocalyptic number.
It is an amenable number.
69948020 is an abundant number, since it is smaller than the sum of its proper divisors (77719948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69948020 is a wasteful number, since it uses less digits than its factorization.
69948020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18511 (or 18509 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 69948020 is about 8363.4932892901. The cubic root of 69948020 is about 412.0264930964.
The spelling of 69948020 in words is "sixty-nine million, nine hundred forty-eight thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •