Base | Representation |
---|---|
bin | 11101010101101… |
… | …010011010111000 |
3 | 1021022012021012210 |
4 | 131111222122320 |
5 | 2002001434130 |
6 | 120501535120 |
7 | 15124533006 |
oct | 3525523270 |
9 | 1238167183 |
10 | 492218040 |
11 | 232931776 |
12 | 118a144a0 |
13 | 7ac8bca2 |
14 | 4952ba76 |
15 | 2d32c5b0 |
hex | 1d56a6b8 |
492218040 has 32 divisors (see below), whose sum is σ = 1476654480. Its totient is φ = 131258112.
The previous prime is 492218029. The next prime is 492218063. The reversal of 492218040 is 40812294.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 492217989 and 492218007.
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, 2050789 + ... + 2051028.
Almost surely, 2492218040 is an apocalyptic number.
492218040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
492218040 is an abundant number, since it is smaller than the sum of its proper divisors (984436440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492218040 is a wasteful number, since it uses less digits than its factorization.
492218040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4101831 (or 4101827 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 492218040 is about 22185.9874695719. The cubic root of 492218040 is about 789.5612796653.
The spelling of 492218040 in words is "four hundred ninety-two million, two hundred eighteen thousand, forty".
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