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445111242 = 231014191753
BaseRepresentation
bin11010100001111…
…101101111001010
31011000112222211120
4122201331233022
51402422024432
6112100140110
714013245262
oct3241755712
91130488746
10445111242
11209287734
12105097636
13712a7744
14431887a2
1529124c2c
hex1a87dbca

445111242 has 32 divisors (see below), whose sum is σ = 901696320. Its totient is φ = 146467200.

The previous prime is 445111213. The next prime is 445111259. The reversal of 445111242 is 242111544.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 253038 + ... + 254790.

It is an arithmetic number, because the mean of its divisors is an integer number (28178010).

Almost surely, 2445111242 is an apocalyptic number.

445111242 is an abundant number, since it is smaller than the sum of its proper divisors (456585078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445111242 is a wasteful number, since it uses less digits than its factorization.

445111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its digits is 1280, while the sum is 24.

The square root of 445111242 is about 21097.6596332389. The cubic root of 445111242 is about 763.5242839966.

Adding to 445111242 its reverse (242111544), we get a palindrome (687222786).

It can be divided in two parts, 44511 and 1242, that added together give a triangular number (45753 = T302).

The spelling of 445111242 in words is "four hundred forty-five million, one hundred eleven thousand, two hundred forty-two".

Divisors: 1 2 3 6 101 202 303 419 606 838 1257 1753 2514 3506 5259 10518 42319 84638 126957 177053 253914 354106 531159 734507 1062318 1469014 2203521 4407042 74185207 148370414 222555621 445111242