Base | Representation |
---|---|
bin | 1010001011110… |
… | …10001000101100 |
3 | 12221202112200110 |
4 | 11011322020230 |
5 | 133332404144 |
6 | 12251100020 |
7 | 2055120261 |
oct | 505721054 |
9 | 187675613 |
10 | 85434924 |
11 | 44253583 |
12 | 24741610 |
13 | 14914113 |
14 | b4bd268 |
15 | 77790b9 |
hex | 517a22c |
85434924 has 48 divisors (see below), whose sum is σ = 206003168. Its totient is φ = 27537408.
The previous prime is 85434917. The next prime is 85434931. The reversal of 85434924 is 42943458.
It is an interprime number because it is at equal distance from previous prime (85434917) and next prime (85434931).
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, 85194 + ... + 86190.
Almost surely, 285434924 is an apocalyptic number.
It is an amenable number.
85434924 is an abundant number, since it is smaller than the sum of its proper divisors (120568244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85434924 is a wasteful number, since it uses less digits than its factorization.
85434924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).
The product of its digits is 138240, while the sum is 39.
The square root of 85434924 is about 9243.1014275513. The cubic root of 85434924 is about 440.4316081656.
It can be divided in two parts, 854 and 34924, that added together give a triangular number (35778 = T267).
The spelling of 85434924 in words is "eighty-five million, four hundred thirty-four thousand, nine hundred twenty-four".
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