Base | Representation |
---|---|
bin | 11000011011010… |
… | …00110001101000 |
3 | 112021120001222201 |
4 | 30031220301220 |
5 | 404423321410 |
6 | 32155425544 |
7 | 5035430260 |
oct | 1415506150 |
9 | 467501881 |
10 | 204901480 |
11 | a5730573 |
12 | 587552b4 |
13 | 335b22a4 |
14 | 1d2da7a0 |
15 | 12ec683a |
hex | c368c68 |
204901480 has 64 divisors (see below), whose sum is σ = 549815040. Its totient is φ = 67195392.
The previous prime is 204901451. The next prime is 204901481. The reversal of 204901480 is 84109402.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (204901481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9469 + ... + 22348.
It is an arithmetic number, because the mean of its divisors is an integer number (8590860).
Almost surely, 2204901480 is an apocalyptic number.
204901480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
204901480 is an abundant number, since it is smaller than the sum of its proper divisors (344913560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204901480 is a wasteful number, since it uses less digits than its factorization.
204901480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31858 (or 31854 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 204901480 is about 14314.3801821804. The cubic root of 204901480 is about 589.5423819137.
The spelling of 204901480 in words is "two hundred four million, nine hundred one thousand, four hundred eighty".
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