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43142494 = 261353627
BaseRepresentation
bin1010010010010…
…0110101011110
310000011212101011
42210210311132
542021024434
64140405434
71032463603
oct244446536
9100155334
1043142494
112239765a
121254687a
138c27005
145a306aa
153bc2e64
hex2924d5e

43142494 has 8 divisors (see below), whose sum is σ = 65774808. Its totient is φ = 21217560.

The previous prime is 43142467. The next prime is 43142531. The reversal of 43142494 is 49424134.

43142494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×431424942 = 3722549577080072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 176692 + ... + 176935.

It is an arithmetic number, because the mean of its divisors is an integer number (8221851).

Almost surely, 243142494 is an apocalyptic number.

43142494 is a deficient number, since it is larger than the sum of its proper divisors (22632314).

43142494 is a wasteful number, since it uses less digits than its factorization.

43142494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353690.

The product of its digits is 13824, while the sum is 31.

The square root of 43142494 is about 6568.2946036243. The cubic root of 43142494 is about 350.7263663355.

The spelling of 43142494 in words is "forty-three million, one hundred forty-two thousand, four hundred ninety-four".

Divisors: 1 2 61 122 353627 707254 21571247 43142494