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444530196 = 2232111122551
BaseRepresentation
bin11010011111101…
…111111000010100
31010222110110210100
4122133233320110
51402244431241
6112035454100
714005305255
oct3237577024
91128413710
10444530196
11208a20130
12104a57330
1371133126
1443076b2c
152905c9b6
hex1a7efe14

444530196 has 36 divisors (see below), whose sum is σ = 1225826784. Its totient is φ = 134706000.

The previous prime is 444530147. The next prime is 444530197. The reversal of 444530196 is 691035444.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 444530196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444530197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560880 + ... + 561671.

It is an arithmetic number, because the mean of its divisors is an integer number (34050744).

Almost surely, 2444530196 is an apocalyptic number.

It is an amenable number.

444530196 is an abundant number, since it is smaller than the sum of its proper divisors (781296588).

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

444530196 is a wasteful number, since it uses less digits than its factorization.

444530196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122572 (or 1122567 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 444530196 is about 21083.8847464124. The cubic root of 444530196 is about 763.1919057262.

The spelling of 444530196 in words is "four hundred forty-four million, five hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 1122551 2245102 3367653 4490204 6735306 10102959 12348061 13470612 20205918 24696122 37044183 40411836 49392244 74088366 111132549 148176732 222265098 444530196