Base | Representation |
---|---|
bin | 1111000011011… |
… | …1101000001000 |
3 | 11101210222002201 |
4 | 3300313220020 |
5 | 112131024113 |
6 | 10133205544 |
7 | 1364462440 |
oct | 360675010 |
9 | 141728081 |
10 | 63142408 |
11 | 3270790a |
12 | 191908b4 |
13 | 1010a394 |
14 | 8559120 |
15 | 5823cdd |
hex | 3c37a08 |
63142408 has 32 divisors (see below), whose sum is σ = 137332800. Its totient is φ = 26655552.
The previous prime is 63142397. The next prime is 63142411. The reversal of 63142408 is 80424136.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4663 + ... + 12166.
It is an arithmetic number, because the mean of its divisors is an integer number (4291650).
Almost surely, 263142408 is an apocalyptic number.
It is an amenable number.
63142408 is an abundant number, since it is smaller than the sum of its proper divisors (74190392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63142408 is a wasteful number, since it uses less digits than its factorization.
63142408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16909 (or 16905 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 63142408 is about 7946.2197301610. The cubic root of 63142408 is about 398.2053097602.
The spelling of 63142408 in words is "sixty-three million, one hundred forty-two thousand, four hundred eight".
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