Search a number
-
+
440961 = 3146987
BaseRepresentation
bin1101011101010000001
3211101212220
41223222001
5103102321
613241253
73514413
oct1535201
9741786
10440961
11281334
12193229
13125931
14b69b3
158a9c6
hex6ba81

440961 has 4 divisors (see below), whose sum is σ = 587952. Its totient is φ = 293972.

The previous prime is 440959. The next prime is 440983. The reversal of 440961 is 169044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440961 - 21 = 440959 is a prime.

It is a D-number.

440961 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 440961.

It is not an unprimeable number, because it can be changed into a prime (440911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73491 + ... + 73496.

It is an arithmetic number, because the mean of its divisors is an integer number (146988).

2440961 is an apocalyptic number.

It is an amenable number.

440961 is a deficient number, since it is larger than the sum of its proper divisors (146991).

440961 is a wasteful number, since it uses less digits than its factorization.

440961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146990.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 440961 is about 664.0489439793. The cubic root of 440961 is about 76.1143822433.

The spelling of 440961 in words is "four hundred forty thousand, nine hundred sixty-one".

Divisors: 1 3 146987 440961