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444190928 = 2427761933
BaseRepresentation
bin11010011110011…
…101000011010000
31010221211020101212
4122132131003100
51402203102203
6112024315252
714002363166
oct3236350320
91127736355
10444190928
11208809245
12104912b28
137104488c
1442dc9236
1528ee21d8
hex1a79d0d0

444190928 has 10 divisors (see below), whose sum is σ = 860619954. Its totient is φ = 222095456.

The previous prime is 444190921. The next prime is 444190961. The reversal of 444190928 is 829091444.

It can be written as a sum of positive squares in only one way, i.e., 338265664 + 105925264 = 18392^2 + 10292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444190921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13880951 + ... + 13880982.

Almost surely, 2444190928 is an apocalyptic number.

It is an amenable number.

444190928 is a deficient number, since it is larger than the sum of its proper divisors (416429026).

444190928 is a wasteful number, since it uses less digits than its factorization.

444190928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27761941 (or 27761935 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 444190928 is about 21075.8375397041. The cubic root of 444190928 is about 762.9976988285.

The spelling of 444190928 in words is "four hundred forty-four million, one hundred ninety thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 27761933 55523866 111047732 222095464 444190928