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42944901 = 337386891
BaseRepresentation
bin1010001111010…
…0100110000101
32222210211022220
42203310212011
541443214101
64132242553
71031011536
oct243644605
988724286
1042944901
112227215a
1212470459
138b880ac
1459bc68d
153b84636
hex28f4985

42944901 has 8 divisors (see below), whose sum is σ = 58807584. Its totient is φ = 27856080.

The previous prime is 42944899. The next prime is 42944977. The reversal of 42944901 is 10944924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42944901 - 21 = 42944899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42944201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193335 + ... + 193556.

It is an arithmetic number, because the mean of its divisors is an integer number (7350948).

Almost surely, 242944901 is an apocalyptic number.

It is an amenable number.

42944901 is a deficient number, since it is larger than the sum of its proper divisors (15862683).

42944901 is a wasteful number, since it uses less digits than its factorization.

42944901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386931.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 42944901 is about 6553.2359182315. The cubic root of 42944901 is about 350.1901035287.

The spelling of 42944901 in words is "forty-two million, nine hundred forty-four thousand, nine hundred one".

Divisors: 1 3 37 111 386891 1160673 14314967 42944901