Base | Representation |
---|---|
bin | 1110010101111011100 |
3 | 212212200200 |
4 | 1302233130 |
5 | 110014410 |
6 | 14023500 |
7 | 3665130 |
oct | 1625734 |
9 | 785620 |
10 | 469980 |
11 | 2a1115 |
12 | 1a7b90 |
13 | 135bc4 |
14 | c33c0 |
15 | 943c0 |
hex | 72bdc |
469980 has 72 divisors (see below), whose sum is σ = 1633632. Its totient is φ = 107136.
The previous prime is 469979. The next prime is 469993. The reversal of 469980 is 89964.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074 + ... + 1446.
2469980 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 469980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816816).
469980 is an abundant number, since it is smaller than the sum of its proper divisors (1163652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
469980 is a wasteful number, since it uses less digits than its factorization.
469980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395 (or 390 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 469980 is about 685.5508733858. The cubic root of 469980 is about 77.7486981237.
The spelling of 469980 in words is "four hundred sixty-nine thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •