Search a number
-
+
444223077 = 3148074359
BaseRepresentation
bin11010011110100…
…100111001100101
31010221212212111120
4122132210321211
51402210114302
6112025124153
714002556004
oct3236447145
91127785446
10444223077
11208830411
12104929659
13710563bc
1442dd6c3b
1528eeb9bc
hex1a7a4e65

444223077 has 4 divisors (see below), whose sum is σ = 592297440. Its totient is φ = 296148716.

The previous prime is 444223049. The next prime is 444223079. The reversal of 444223077 is 770322444.

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 444223077 - 27 = 444222949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444223079) 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, 74037177 + ... + 74037182.

It is an arithmetic number, because the mean of its divisors is an integer number (148074360).

Almost surely, 2444223077 is an apocalyptic number.

It is an amenable number.

444223077 is a deficient number, since it is larger than the sum of its proper divisors (148074363).

444223077 is a wasteful number, since it uses less digits than its factorization.

444223077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148074362.

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 444223077 is about 21076.6002239450. The cubic root of 444223077 is about 763.0161060942.

The spelling of 444223077 in words is "four hundred forty-four million, two hundred twenty-three thousand, seventy-seven".

Divisors: 1 3 148074359 444223077