Base | Representation |
---|---|
bin | 11000101111111… |
… | …101010010111100 |
3 | 1001221022121122110 |
4 | 120233331102330 |
5 | 1322244200040 |
6 | 105111414020 |
7 | 13201232400 |
oct | 3057752274 |
9 | 1057277573 |
10 | 415225020 |
11 | 1a3424781 |
12 | b7084310 |
13 | 680424a2 |
14 | 3d209100 |
15 | 266be980 |
hex | 18bfd4bc |
415225020 has 72 divisors (see below), whose sum is σ = 1352456784. Its totient is φ = 94907904.
The previous prime is 415224973. The next prime is 415225021. The reversal of 415225020 is 20522514.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (415225021) 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, 67677 + ... + 73556.
It is an arithmetic number, because the mean of its divisors is an integer number (18784122).
Almost surely, 2415225020 is an apocalyptic number.
It is an amenable number.
415225020 is an abundant number, since it is smaller than the sum of its proper divisors (937231764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
415225020 is a wasteful number, since it uses less digits than its factorization.
415225020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141259 (or 141250 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 415225020 is about 20377.0709376986. The cubic root of 415225020 is about 746.0383820669.
Adding to 415225020 its reverse (20522514), we get a palindrome (435747534).
The spelling of 415225020 in words is "four hundred fifteen million, two hundred twenty-five thousand, twenty".
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