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42340814 = 221170407
BaseRepresentation
bin1010000110000…
…1000111001110
32221200010200022
42201201013032
541314401224
64111302142
71022614415
oct241410716
987603608
1042340814
112199a30a
121221a952
138a06149
1458a247c
153ab565e
hex28611ce

42340814 has 4 divisors (see below), whose sum is σ = 63511224. Its totient is φ = 21170406.

The previous prime is 42340813. The next prime is 42340817. The reversal of 42340814 is 41804324.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10585202 + ... + 10585205.

It is an arithmetic number, because the mean of its divisors is an integer number (15877806).

Almost surely, 242340814 is an apocalyptic number.

42340814 is a deficient number, since it is larger than the sum of its proper divisors (21170410).

42340814 is a wasteful number, since it uses less digits than its factorization.

42340814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21170409.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42340814 is about 6506.9819424984. The cubic root of 42340814 is about 348.5403537808.

The spelling of 42340814 in words is "forty-two million, three hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 21170407 42340814