Base | Representation |
---|---|
bin | 101001010100011… |
… | …011001011000110 |
3 | 1210022102020010020 |
4 | 221110123023012 |
5 | 2404431020123 |
6 | 152442040010 |
7 | 23115162450 |
oct | 5124331306 |
9 | 1708366106 |
10 | 693220038 |
11 | 326339525 |
12 | 1741a9006 |
13 | b0807394 |
14 | 680d12d0 |
15 | 40cd37e3 |
hex | 2951b2c6 |
693220038 has 32 divisors (see below), whose sum is σ = 1589531904. Its totient is φ = 197434272.
The previous prime is 693219971. The next prime is 693220051. The reversal of 693220038 is 830022396.
It is a junction number, because it is equal to n+sod(n) for n = 693219990 and 693220008.
It is a congruent number.
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, 12720 + ... + 39347.
It is an arithmetic number, because the mean of its divisors is an integer number (49672872).
Almost surely, 2693220038 is an apocalyptic number.
693220038 is an abundant number, since it is smaller than the sum of its proper divisors (896311866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
693220038 is a wasteful number, since it uses less digits than its factorization.
693220038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52396.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 693220038 is about 26329.0721067036. The cubic root of 693220038 is about 885.0280510755.
The spelling of 693220038 in words is "six hundred ninety-three million, two hundred twenty thousand, thirty-eight".
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