Base | Representation |
---|---|
bin | 11101011000100… |
… | …010100001110000 |
3 | 1021100121120122120 |
4 | 131120202201300 |
5 | 2002200102034 |
6 | 120530034240 |
7 | 15134123400 |
oct | 3530424160 |
9 | 1240546576 |
10 | 492972144 |
11 | 2332a72a5 |
12 | 119118980 |
13 | 7b1942c2 |
14 | 49686800 |
15 | 2d42ac49 |
hex | 1d622870 |
492972144 has 60 divisors (see below), whose sum is σ = 1481438664. Its totient is φ = 140848512.
The previous prime is 492972121. The next prime is 492972187. The reversal of 492972144 is 441279294.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 492972096 and 492972105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102447 + ... + 107150.
Almost surely, 2492972144 is an apocalyptic number.
It is an amenable number.
492972144 is an abundant number, since it is smaller than the sum of its proper divisors (988466520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492972144 is a wasteful number, since it uses less digits than its factorization.
492972144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209622 (or 209609 counting only the distinct ones).
The product of its digits is 145152, while the sum is 42.
The square root of 492972144 is about 22202.9760167415. The cubic root of 492972144 is about 789.9642904331.
The spelling of 492972144 in words is "four hundred ninety-two million, nine hundred seventy-two thousand, one hundred forty-four".
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