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42984874 = 2171264261
BaseRepresentation
bin1010001111111…
…0010110101010
32222212212011101
42203332112222
542001003444
64133152014
71031236222
oct243762652
988785141
1042984874
112229a199
121248b60a
138ba034a
1459cd082
153b913d4
hex28fe5aa

42984874 has 8 divisors (see below), whose sum is σ = 68270148. Its totient is φ = 20228160.

The previous prime is 42984869. The next prime is 42984911. The reversal of 42984874 is 47848924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35105625 + 7879249 = 5925^2 + 2807^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632097 + ... + 632164.

Almost surely, 242984874 is an apocalyptic number.

42984874 is a deficient number, since it is larger than the sum of its proper divisors (25285274).

42984874 is a wasteful number, since it uses less digits than its factorization.

42984874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264280.

The product of its digits is 516096, while the sum is 46.

The square root of 42984874 is about 6556.2850761693. The cubic root of 42984874 is about 350.2987218418.

The spelling of 42984874 in words is "forty-two million, nine hundred eighty-four thousand, eight hundred seventy-four".

Divisors: 1 2 17 34 1264261 2528522 21492437 42984874