Base | Representation |
---|---|
bin | 1010001010000… |
… | …01111110010100 |
3 | 12221022212010110 |
4 | 11011001332110 |
5 | 133303024014 |
6 | 12242123020 |
7 | 2053141512 |
oct | 505017624 |
9 | 187285113 |
10 | 85204884 |
11 | 44106766 |
12 | 24650470 |
13 | 148634bb |
14 | b45d4b2 |
15 | 7730d59 |
hex | 5141f94 |
85204884 has 24 divisors (see below), whose sum is σ = 210506688. Its totient is φ = 26730880.
The previous prime is 85204877. The next prime is 85204891. The reversal of 85204884 is 48840258.
It is an interprime number because it is at equal distance from previous prime (85204877) and next prime (85204891).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
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, 208632 + ... + 209039.
It is an arithmetic number, because the mean of its divisors is an integer number (8771112).
Almost surely, 285204884 is an apocalyptic number.
It is an amenable number.
85204884 is an abundant number, since it is smaller than the sum of its proper divisors (125301804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85204884 is a wasteful number, since it uses less digits than its factorization.
85204884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417695 (or 417693 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 39.
The square root of 85204884 is about 9230.6491646038. The cubic root of 85204884 is about 440.0359543622.
The spelling of 85204884 in words is "eighty-five million, two hundred four thousand, eight hundred eighty-four".
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