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42944097 = 374149877
BaseRepresentation
bin1010001111010…
…0011001100001
32222210210020010
42203310121201
541443202342
64132235133
71031006310
oct243643141
988723203
1042944097
1122271599
121246baa9
138b87911
1459bc277
153b8429c
hex28f4661

42944097 has 16 divisors (see below), whose sum is σ = 67036032. Its totient is φ = 23940480.

The previous prime is 42944093. The next prime is 42944149. The reversal of 42944097 is 79044924.

It is a happy number.

It is not a de Polignac number, because 42944097 - 22 = 42944093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42944093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24078 + ... + 25799.

It is an arithmetic number, because the mean of its divisors is an integer number (4189752).

Almost surely, 242944097 is an apocalyptic number.

It is an amenable number.

42944097 is a deficient number, since it is larger than the sum of its proper divisors (24091935).

42944097 is a wasteful number, since it uses less digits than its factorization.

42944097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49928.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 42944097 is about 6553.1745742045. The cubic root of 42944097 is about 350.1879181346.

The spelling of 42944097 in words is "forty-two million, nine hundred forty-four thousand, ninety-seven".

Divisors: 1 3 7 21 41 123 287 861 49877 149631 349139 1047417 2044957 6134871 14314699 42944097