Base | Representation |
---|---|
bin | 1001000000011… |
… | …00100110000100 |
3 | 12021011021211100 |
4 | 10200030212010 |
5 | 123320032220 |
6 | 11255140100 |
7 | 1605104436 |
oct | 440144604 |
9 | 167137740 |
10 | 75549060 |
11 | 39711144 |
12 | 21374630 |
13 | 128624b2 |
14 | a068656 |
15 | 6974d90 |
hex | 480c984 |
75549060 has 144 divisors (see below), whose sum is σ = 243537840. Its totient is φ = 18923520.
The previous prime is 75549059. The next prime is 75549107. The reversal of 75549060 is 6094557.
It can be written as a sum of positive squares in 8 ways, for example, as 10810944 + 64738116 = 3288^2 + 8046^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213844 + ... + 214196.
It is an arithmetic number, because the mean of its divisors is an integer number (1691235).
Almost surely, 275549060 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75549060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121768920).
75549060 is an abundant number, since it is smaller than the sum of its proper divisors (167988780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75549060 is a wasteful number, since it uses less digits than its factorization.
75549060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438 (or 433 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The square root of 75549060 is about 8691.8962257956. The cubic root of 75549060 is about 422.7429318451.
The spelling of 75549060 in words is "seventy-five million, five hundred forty-nine thousand, sixty".
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