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444157341 = 3148052447
BaseRepresentation
bin11010011110010…
…100110110011101
31010221202112022220
4122132110312131
51402201013331
6112023455553
714002163235
oct3236246635
91127675286
10444157341
11208795a91
121048b75b9
13710324c4
1442dbacc5
1528ed7296
hex1a794d9d

444157341 has 4 divisors (see below), whose sum is σ = 592209792. Its totient is φ = 296104892.

The previous prime is 444157339. The next prime is 444157381. The reversal of 444157341 is 143751444.

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 444157341 - 21 = 444157339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444157381) 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 3 ways as a sum of consecutive naturals, for example, 74026221 + ... + 74026226.

It is an arithmetic number, because the mean of its divisors is an integer number (148052448).

Almost surely, 2444157341 is an apocalyptic number.

It is an amenable number.

444157341 is a deficient number, since it is larger than the sum of its proper divisors (148052451).

444157341 is a wasteful number, since it uses less digits than its factorization.

444157341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148052450.

The product of its digits is 26880, while the sum is 33.

The square root of 444157341 is about 21075.0407117044. The cubic root of 444157341 is about 762.9784672714.

The spelling of 444157341 in words is "four hundred forty-four million, one hundred fifty-seven thousand, three hundred forty-one".

Divisors: 1 3 148052447 444157341