Base | Representation |
---|---|
bin | 1000111101010… |
… | …11110000101110 |
3 | 12020102010202100 |
4 | 10132223300232 |
5 | 123214334210 |
6 | 11242435530 |
7 | 1601533203 |
oct | 436536056 |
9 | 166363670 |
10 | 75152430 |
11 | 39470151 |
12 | 21202ba6 |
13 | 12753ac2 |
14 | 9da3caa |
15 | 68e75c0 |
hex | 47abc2e |
75152430 has 48 divisors (see below), whose sum is σ = 198722160. Its totient is φ = 19699584.
The previous prime is 75152423. The next prime is 75152437. The reversal of 75152430 is 3425157.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (75152423) and next prime (75152437).
It is a junction number, because it is equal to n+sod(n) for n = 75152394 and 75152403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75152437) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1767 + ... + 12386.
It is an arithmetic number, because the mean of its divisors is an integer number (4140045).
Almost surely, 275152430 is an apocalyptic number.
75152430 is an abundant number, since it is smaller than the sum of its proper divisors (123569730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75152430 is a wasteful number, since it uses less digits than its factorization.
75152430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14225 (or 14222 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 75152430 is about 8669.0501209763. The cubic root of 75152430 is about 422.0018380759.
Adding to 75152430 its reverse (3425157), we get a palindrome (78577587).
The spelling of 75152430 in words is "seventy-five million, one hundred fifty-two thousand, four hundred thirty".
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