Base | Representation |
---|---|
bin | 1110110000011… |
… | …0110110010110 |
3 | 11022110112122210 |
4 | 3230012312112 |
5 | 111321102123 |
6 | 10050334250 |
7 | 1351043043 |
oct | 354066626 |
9 | 138415583 |
10 | 61894038 |
11 | 31a349a8 |
12 | 1888a386 |
13 | ca910bb |
14 | 83121ca |
15 | 5678e93 |
hex | 3b06d96 |
61894038 has 16 divisors (see below), whose sum is σ = 123911280. Its totient is φ = 20610816.
The previous prime is 61894003. The next prime is 61894061. The reversal of 61894038 is 83049816.
It is a junction number, because it is equal to n+sod(n) for n = 61893987 and 61894005.
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, 2206 + ... + 11342.
It is an arithmetic number, because the mean of its divisors is an integer number (7744455).
Almost surely, 261894038 is an apocalyptic number.
61894038 is an abundant number, since it is smaller than the sum of its proper divisors (62017242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61894038 is a wasteful number, since it uses less digits than its factorization.
61894038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10271.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 61894038 is about 7867.2764029237. The cubic root of 61894038 is about 395.5635559911.
The spelling of 61894038 in words is "sixty-one million, eight hundred ninety-four thousand, thirty-eight".
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