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42702754 = 276128057
BaseRepresentation
bin1010001011100…
…1011110100010
32222100112011111
42202321132202
541412442004
64123133534
71025652553
oct242713642
988315144
1042702754
1122117236
12123742aa
138b01b03
14595832a
153b37a04
hex28b97a2

42702754 has 8 divisors (see below), whose sum is σ = 64140588. Its totient is φ = 21322560.

The previous prime is 42702733. The next prime is 42702757. The reversal of 42702754 is 45720724.

42702754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37761025 + 4941729 = 6145^2 + 2223^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42702757) 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 in 3 ways as a sum of consecutive naturals, for example, 12507 + ... + 15550.

Almost surely, 242702754 is an apocalyptic number.

42702754 is a deficient number, since it is larger than the sum of its proper divisors (21437834).

42702754 is a wasteful number, since it uses less digits than its factorization.

42702754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28820.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 42702754 is about 6534.7344245960. The cubic root of 42702754 is about 349.5306743496.

The spelling of 42702754 in words is "forty-two million, seven hundred two thousand, seven hundred fifty-four".

Divisors: 1 2 761 1522 28057 56114 21351377 42702754