Base | Representation |
---|---|
bin | 111010110111001… |
… | …0011100000111100 |
3 | 12002122110002120111 |
4 | 1311232103200330 |
5 | 13021104312303 |
6 | 523552355404 |
7 | 66641561551 |
oct | 16556234074 |
9 | 5078402514 |
10 | 1975072828 |
11 | 9239714a3 |
12 | 471545b64 |
13 | 25625a361 |
14 | 14a44aa28 |
15 | b85dbb6d |
hex | 75b9383c |
1975072828 has 24 divisors (see below), whose sum is σ = 3543805440. Its totient is φ = 962599680.
The previous prime is 1975072789. The next prime is 1975072901. The reversal of 1975072828 is 8282705791.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206725 + ... + 216067.
It is an arithmetic number, because the mean of its divisors is an integer number (147658560).
Almost surely, 21975072828 is an apocalyptic number.
It is an amenable number.
1975072828 is a deficient number, since it is larger than the sum of its proper divisors (1568732612).
1975072828 is a wasteful number, since it uses less digits than its factorization.
1975072828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10677 (or 10675 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 49.
The square root of 1975072828 is about 44441.7914580409. The cubic root of 1975072828 is about 1254.6647735621.
The spelling of 1975072828 in words is "one billion, nine hundred seventy-five million, seventy-two thousand, eight hundred twenty-eight".
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