Base | Representation |
---|---|
bin | 11111011110001… |
… | …010111111010001 |
3 | 1100210112022222121 |
4 | 133132022333101 |
5 | 2040132044100 |
6 | 124220534241 |
7 | 16040644264 |
oct | 3736127721 |
9 | 1323468877 |
10 | 528003025 |
11 | 251053540 |
12 | 1289b1381 |
13 | 8550b134 |
14 | 501a4cdb |
15 | 3154a51a |
hex | 1f78afd1 |
528003025 has 12 divisors (see below), whose sum is σ = 714244464. Its totient is φ = 384002000.
The previous prime is 528003023. The next prime is 528003079. The reversal of 528003025 is 520300825.
It is not a de Polignac number, because 528003025 - 21 = 528003023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (528003023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 959731 + ... + 960280.
It is an arithmetic number, because the mean of its divisors is an integer number (59520372).
Almost surely, 2528003025 is an apocalyptic number.
528003025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
528003025 is a deficient number, since it is larger than the sum of its proper divisors (186241439).
528003025 is a wasteful number, since it uses less digits than its factorization.
528003025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1920032 (or 1920027 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 528003025 is about 22978.3164091715. The cubic root of 528003025 is about 808.2495476507.
The spelling of 528003025 in words is "five hundred twenty-eight million, three thousand, twenty-five".
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