| Base | Representation |
|---|---|
| bin | 1000001101110000… |
| … | …11010111010111001 |
| 3 | 102101100222121010000 |
| 4 | 10012320122322321 |
| 5 | 33013031432141 |
| 6 | 2005350343213 |
| 7 | 214202650014 |
| oct | 40670327271 |
| 9 | 12340877100 |
| 10 | 4410420921 |
| 11 | 1963627575 |
| 12 | a3105ab09 |
| 13 | 55397132a |
| 14 | 2dba6c37b |
| 15 | 1ac2e65b6 |
| hex | 106e1aeb9 |
4410420921 has 45 divisors (see below), whose sum is σ = 6774717279. Its totient is φ = 2859392016.
The previous prime is 4410420907. The next prime is 4410420941. The reversal of 4410420921 is 1290240144.
It is a happy number.
The square root of 4410420921 is 66411.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1292762025 + 3117658896 = 35955^2 + 55836^2 .
It is not a de Polignac number, because 4410420921 - 29 = 4410420409 is a prime.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (4410420901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 28091775 + ... + 28091931.
Almost surely, 24410420921 is an apocalyptic number.
4410420921 is the 66411-st square number.
4410420921 is the 33206-th centered octagonal number.
It is an amenable number.
4410420921 is a deficient number, since it is larger than the sum of its proper divisors (2364296358).
4410420921 is an frugal number, since it uses more digits than its factorization.
4410420921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 420 (or 207 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The cubic root of 4410420921 is about 1639.9351700776.
Multiplying 4410420921 by its product of nonzero digits (2304), we get a square (10161609801984 = 31877282).
It can be divided in two parts, 44104 and 20921, that added together give a square (65025 = 2552).
The spelling of 4410420921 in words is "four billion, four hundred ten million, four hundred twenty thousand, nine hundred twenty-one".
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