Base | Representation |
---|---|
bin | 1000010100100… |
… | …01100010010010 |
3 | 11212100022112002 |
4 | 10022101202102 |
5 | 120332132010 |
6 | 10532034002 |
7 | 1505210516 |
oct | 412214222 |
9 | 155308462 |
10 | 69802130 |
11 | 36446412 |
12 | 1b462902 |
13 | 115cc748 |
14 | 93b0146 |
15 | 61dc1a5 |
hex | 4291892 |
69802130 has 32 divisors (see below), whose sum is σ = 130561200. Its totient is φ = 26836992.
The previous prime is 69802099. The next prime is 69802147. The reversal of 69802130 is 3120896.
It can be written as a sum of positive squares in 8 ways, for example, as 6869641 + 62932489 = 2621^2 + 7933^2 .
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a junction number, because it is equal to n+sod(n) for n = 69802093 and 69802102.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90386 + ... + 91154.
Almost surely, 269802130 is an apocalyptic number.
69802130 is a deficient number, since it is larger than the sum of its proper divisors (60759070).
69802130 is a wasteful number, since it uses less digits than its factorization.
69802130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1118.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 69802130 is about 8354.7669027927. The cubic root of 69802130 is about 411.7398403112.
The spelling of 69802130 in words is "sixty-nine million, eight hundred two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •