Base | Representation |
---|---|
bin | 1010001100010… |
… | …11111010101010 |
3 | 12221220020120212 |
4 | 11012023322222 |
5 | 133342222004 |
6 | 12252421122 |
7 | 2055542513 |
oct | 506137252 |
9 | 187806525 |
10 | 85507754 |
11 | 442a3272 |
12 | 247777a2 |
13 | 1493b307 |
14 | b4dba0a |
15 | 779096e |
hex | 518beaa |
85507754 has 4 divisors (see below), whose sum is σ = 128261634. Its totient is φ = 42753876.
The previous prime is 85507753. The next prime is 85507769. The reversal of 85507754 is 45770558.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45770558 = 2 ⋅22885279.
It can be written as a sum of positive squares in only one way, i.e., 68475625 + 17032129 = 8275^2 + 4127^2 .
It is not an unprimeable number, because it can be changed into a prime (85507753) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21376937 + ... + 21376940.
Almost surely, 285507754 is an apocalyptic number.
85507754 is a deficient number, since it is larger than the sum of its proper divisors (42753880).
85507754 is a wasteful number, since it uses less digits than its factorization.
85507754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42753879.
The product of its (nonzero) digits is 196000, while the sum is 41.
The square root of 85507754 is about 9247.0402832474. The cubic root of 85507754 is about 440.5567229787.
The spelling of 85507754 in words is "eighty-five million, five hundred seven thousand, seven hundred fifty-four".
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