Base | Representation |
---|---|
bin | 100110000000101… |
… | …1101101001111001 |
3 | 10021212222200020220 |
4 | 1030001131221321 |
5 | 10103003431100 |
6 | 330321210253 |
7 | 43415110011 |
oct | 11401355171 |
9 | 3255880226 |
10 | 1275452025 |
11 | 5a4a60a91 |
12 | 2b7190989 |
13 | 174321753 |
14 | c1570c41 |
15 | 76e91aa0 |
hex | 4c05da79 |
1275452025 has 48 divisors (see below), whose sum is σ = 2174979840. Its totient is φ = 659131200.
The previous prime is 1275452011. The next prime is 1275452027. The reversal of 1275452025 is 5202545721.
It is not a de Polignac number, because 1275452025 - 25 = 1275451993 is a prime.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1275452027) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420966 + ... + 423984.
It is an arithmetic number, because the mean of its divisors is an integer number (45312080).
Almost surely, 21275452025 is an apocalyptic number.
1275452025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1275452025 is a deficient number, since it is larger than the sum of its proper divisors (899527815).
1275452025 is a wasteful number, since it uses less digits than its factorization.
1275452025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3206 (or 3201 counting only the distinct ones).
The product of its (nonzero) digits is 28000, while the sum is 33.
The square root of 1275452025 is about 35713.4711978547. The cubic root of 1275452025 is about 1084.4795723107.
Adding to 1275452025 its reverse (5202545721), we get a palindrome (6477997746).
The spelling of 1275452025 in words is "one billion, two hundred seventy-five million, four hundred fifty-two thousand, twenty-five".
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