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42802093 = 287914867
BaseRepresentation
bin1010001101000…
…1101110101101
32222112120102201
42203101232231
541424131333
64125221501
71026545305
oct243215655
988476381
1042802093
1122184934
1212401891
138b380a9
145982605
153b5717d
hex28d1bad

42802093 has 4 divisors (see below), whose sum is σ = 42819840. Its totient is φ = 42784348.

The previous prime is 42802091. The next prime is 42802129. The reversal of 42802093 is 39020824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42802093 - 21 = 42802091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42802091) 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, 4555 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (10704960).

Almost surely, 242802093 is an apocalyptic number.

It is an amenable number.

42802093 is a deficient number, since it is larger than the sum of its proper divisors (17747).

42802093 is a wasteful number, since it uses less digits than its factorization.

42802093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 42802093 is about 6542.3308537554. The cubic root of 42802093 is about 349.8015010501.

The spelling of 42802093 in words is "forty-two million, eight hundred two thousand, ninety-three".

Divisors: 1 2879 14867 42802093