Base | Representation |
---|---|
bin | 1000111100001… |
… | …11011000010100 |
3 | 12020010120100011 |
4 | 10132013120110 |
5 | 123200102122 |
6 | 11235330004 |
7 | 1600342561 |
oct | 436073024 |
9 | 166116304 |
10 | 75003412 |
11 | 393791a0 |
12 | 21150904 |
13 | 12701023 |
14 | 9d65868 |
15 | 68b8377 |
hex | 4787614 |
75003412 has 48 divisors (see below), whose sum is σ = 152913600. Its totient is φ = 31829760.
The previous prime is 75003377. The next prime is 75003419. The reversal of 75003412 is 21430057.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75003419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60414 + ... + 61642.
It is an arithmetic number, because the mean of its divisors is an integer number (3185700).
Almost surely, 275003412 is an apocalyptic number.
It is an amenable number.
75003412 is an abundant number, since it is smaller than the sum of its proper divisors (77910188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75003412 is a wasteful number, since it uses less digits than its factorization.
75003412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 75003412 is about 8660.4510275158. The cubic root of 75003412 is about 421.7227276478.
Adding to 75003412 its reverse (21430057), we get a palindrome (96433469).
The spelling of 75003412 in words is "seventy-five million, three thousand, four hundred twelve".
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