Base | Representation |
---|---|
bin | 1011101010110… |
… | …0110011010010 |
3 | 10102002112012102 |
4 | 2322230303102 |
5 | 100012123130 |
6 | 4505000402 |
7 | 1133000615 |
oct | 272546322 |
9 | 112075172 |
10 | 48942290 |
11 | 25699081 |
12 | 14483102 |
13 | a1a7b47 |
14 | 670017c |
15 | 446b645 |
hex | 2eaccd2 |
48942290 has 16 divisors (see below), whose sum is σ = 92733120. Its totient is φ = 18546480.
The previous prime is 48942287. The next prime is 48942293. The reversal of 48942290 is 9224984.
It is an interprime number because it is at equal distance from previous prime (48942287) and next prime (48942293).
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (48942293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128606 + ... + 128985.
It is an arithmetic number, because the mean of its divisors is an integer number (5795820).
Almost surely, 248942290 is an apocalyptic number.
48942290 is a deficient number, since it is larger than the sum of its proper divisors (43790830).
48942290 is a wasteful number, since it uses less digits than its factorization.
48942290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257617.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 48942290 is about 6995.8766427089. The cubic root of 48942290 is about 365.7868557014.
The spelling of 48942290 in words is "forty-eight million, nine hundred forty-two thousand, two hundred ninety".
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