Base | Representation |
---|---|
bin | 1010001111010… |
… | …1101001011100 |
3 | 2222211001020120 |
4 | 2203311221130 |
5 | 41443333322 |
6 | 4132314540 |
7 | 1031030235 |
oct | 243655134 |
9 | 88731216 |
10 | 42949212 |
11 | 22275419 |
12 | 12472a50 |
13 | 8b8a047 |
14 | 59c008c |
15 | 3b85a5c |
hex | 28f5a5c |
42949212 has 24 divisors (see below), whose sum is σ = 100576896. Its totient is φ = 14264688.
The previous prime is 42949199. The next prime is 42949223. The reversal of 42949212 is 21294924.
It is a super-2 number, since 2×429492122 = 3689269622841888, which contains 22 as substring.
It is a congruent number.
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, 2928 + ... + 9719.
It is an arithmetic number, because the mean of its divisors is an integer number (4190704).
Almost surely, 242949212 is an apocalyptic number.
It is an amenable number.
42949212 is an abundant number, since it is smaller than the sum of its proper divisors (57627684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42949212 is a wasteful number, since it uses less digits than its factorization.
42949212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12937 (or 12935 counting only the distinct ones).
The product of its digits is 10368, while the sum is 33.
The square root of 42949212 is about 6553.5648314486. The cubic root of 42949212 is about 350.2018210162.
The spelling of 42949212 in words is "forty-two million, nine hundred forty-nine thousand, two hundred twelve".
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