Base | Representation |
---|---|
bin | 1000111110011… |
… | …11000010011000 |
3 | 12020200110221211 |
4 | 10133033002120 |
5 | 123234000140 |
6 | 11245512504 |
7 | 1603004356 |
oct | 437170230 |
9 | 166613854 |
10 | 75296920 |
11 | 39559766 |
12 | 21272734 |
13 | 127a47ba |
14 | a0007d6 |
15 | 69252ea |
hex | 47cf098 |
75296920 has 32 divisors (see below), whose sum is σ = 171810720. Its totient is φ = 29693440.
The previous prime is 75296911. The next prime is 75296939. The reversal of 75296920 is 2969257.
It is a happy number.
It is a super-2 number, since 2×752969202 = 11339252322972800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 10417 + ... + 16096.
It is an arithmetic number, because the mean of its divisors is an integer number (5369085).
Almost surely, 275296920 is an apocalyptic number.
It is an amenable number.
75296920 is an abundant number, since it is smaller than the sum of its proper divisors (96513800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75296920 is a wasteful number, since it uses less digits than its factorization.
75296920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26595 (or 26591 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 40.
The square root of 75296920 is about 8677.3797888533. The cubic root of 75296920 is about 422.2721154746.
The spelling of 75296920 in words is "seventy-five million, two hundred ninety-six thousand, nine hundred twenty".
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