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42964990 = 254296499
BaseRepresentation
bin1010001111100…
…1011111111110
32222211211212221
42203321133332
541444334430
64132515554
71031124235
oct243713776
988754787
1042964990
1122286262
121247bbba
138b94293
1459c5b1c
153b8a57a
hex28f97fe

42964990 has 8 divisors (see below), whose sum is σ = 77337000. Its totient is φ = 17185992.

The previous prime is 42964963. The next prime is 42964997. The reversal of 42964990 is 9946924.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42964997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148240 + ... + 2148259.

It is an arithmetic number, because the mean of its divisors is an integer number (9667125).

Almost surely, 242964990 is an apocalyptic number.

42964990 is a deficient number, since it is larger than the sum of its proper divisors (34372010).

42964990 is a wasteful number, since it uses less digits than its factorization.

42964990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296506.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 42964990 is about 6554.7684932422. The cubic root of 42964990 is about 350.2446996287.

The spelling of 42964990 in words is "forty-two million, nine hundred sixty-four thousand, nine hundred ninety".

Divisors: 1 2 5 10 4296499 8592998 21482495 42964990