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445354249 = 502388663
BaseRepresentation
bin11010100010111…
…001000100001001
31011001000100011211
4122202321010021
51403002313444
6112105253121
714015306614
oct3242710411
91131010154
10445354249
1120943326a
121051941a1
1371361232
144320d17b
1529171c34
hex1a8b9109

445354249 has 4 divisors (see below), whose sum is σ = 445447936. Its totient is φ = 445260564.

The previous prime is 445354201. The next prime is 445354279. The reversal of 445354249 is 942453544.

It is a happy number.

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 445354249 - 221 = 443257097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445354279) 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, 39309 + ... + 49354.

It is an arithmetic number, because the mean of its divisors is an integer number (111361984).

Almost surely, 2445354249 is an apocalyptic number.

It is an amenable number.

445354249 is a deficient number, since it is larger than the sum of its proper divisors (93687).

445354249 is an equidigital number, since it uses as much as digits as its factorization.

445354249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93686.

The product of its digits is 345600, while the sum is 40.

The square root of 445354249 is about 21103.4179459158. The cubic root of 445354249 is about 763.6632065648.

It can be divided in two parts, 44535 and 4249, that added together give a palindrome (48784).

The spelling of 445354249 in words is "four hundred forty-five million, three hundred fifty-four thousand, two hundred forty-nine".

Divisors: 1 5023 88663 445354249