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42743102 = 221371551
BaseRepresentation
bin1010001100001…
…1010100111110
32222102120111212
42203003110332
541420234402
64124044422
71026211313
oct243032476
988376455
1042743102
1122144586
1212393712
138b1729c
145968d0a
153b44952
hex28c353e

42743102 has 4 divisors (see below), whose sum is σ = 64114656. Its totient is φ = 21371550.

The previous prime is 42743101. The next prime is 42743111. The reversal of 42743102 is 20134724.

42743102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (42743101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10685774 + ... + 10685777.

It is an arithmetic number, because the mean of its divisors is an integer number (16028664).

Almost surely, 242743102 is an apocalyptic number.

42743102 is a deficient number, since it is larger than the sum of its proper divisors (21371554).

42743102 is a wasteful number, since it uses less digits than its factorization.

42743102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371553.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42743102 is about 6537.8208907862. The cubic root of 42743102 is about 349.6407252084.

Adding to 42743102 its reverse (20134724), we get a palindrome (62877826).

The spelling of 42743102 in words is "forty-two million, seven hundred forty-three thousand, one hundred two".

Divisors: 1 2 21371551 42743102