Base | Representation |
---|---|
bin | 1000111110101… |
… | …11110000001100 |
3 | 12020202021221001 |
4 | 10133113300030 |
5 | 123241120440 |
6 | 11250350044 |
7 | 1603213426 |
oct | 437276014 |
9 | 166667831 |
10 | 75332620 |
11 | 39583570 |
12 | 2128b324 |
13 | 127b7b1c |
14 | a00d816 |
15 | 6930b9a |
hex | 47d7c0c |
75332620 has 24 divisors (see below), whose sum is σ = 172580688. Its totient is φ = 27393600.
The previous prime is 75332617. The next prime is 75332623. The reversal of 75332620 is 2623357.
It is an interprime number because it is at equal distance from previous prime (75332617) and next prime (75332623).
It is not an unprimeable number, because it can be changed into a prime (75332623) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170991 + ... + 171430.
It is an arithmetic number, because the mean of its divisors is an integer number (7190862).
Almost surely, 275332620 is an apocalyptic number.
It is an amenable number.
75332620 is an abundant number, since it is smaller than the sum of its proper divisors (97248068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75332620 is a wasteful number, since it uses less digits than its factorization.
75332620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342441 (or 342439 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 28.
The square root of 75332620 is about 8679.4366176613. The cubic root of 75332620 is about 422.3388412348.
Adding to 75332620 its reverse (2623357), we get a palindrome (77955977).
It can be divided in two parts, 7533 and 2620, that added together give a triangular number (10153 = T142).
The spelling of 75332620 in words is "seventy-five million, three hundred thirty-two thousand, six hundred twenty".
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