Base | Representation |
---|---|
bin | 1000111111110… |
… | …10000010101000 |
3 | 12021000102120200 |
4 | 10133322002220 |
5 | 123310114224 |
6 | 11253352200 |
7 | 1604340042 |
oct | 437720250 |
9 | 167012520 |
10 | 75473064 |
11 | 3966a037 |
12 | 21338660 |
13 | 12836a24 |
14 | a048a92 |
15 | 695c5c9 |
hex | 47fa0a8 |
75473064 has 96 divisors (see below), whose sum is σ = 218223720. Its totient is φ = 23482368.
The previous prime is 75473053. The next prime is 75473107. The reversal of 75473064 is 46037457.
It can be written as a sum of positive squares in 4 ways, for example, as 69856164 + 5616900 = 8358^2 + 2370^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240972 + ... + 241284.
Almost surely, 275473064 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 75473064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109111860).
75473064 is an abundant number, since it is smaller than the sum of its proper divisors (142750656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75473064 is a wasteful number, since it uses less digits than its factorization.
75473064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 539 (or 532 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 36.
The square root of 75473064 is about 8687.5234675942. The cubic root of 75473064 is about 422.6011363454.
The spelling of 75473064 in words is "seventy-five million, four hundred seventy-three thousand, sixty-four".
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