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87014742 = 2314502457
BaseRepresentation
bin1010010111110…
…11110101010110
320001201210210020
411023323311112
5134233432432
612345010010
72104420203
oct513736526
9201653706
1087014742
1145132511
1225183906
1315048219
14b7b0caa
15798c22c
hex52fbd56

87014742 has 8 divisors (see below), whose sum is σ = 174029496. Its totient is φ = 29004912.

The previous prime is 87014717. The next prime is 87014743. The reversal of 87014742 is 24741078.

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

87014742 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87014743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7251223 + ... + 7251234.

It is an arithmetic number, because the mean of its divisors is an integer number (21753687).

Almost surely, 287014742 is an apocalyptic number.

87014742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87014742 is a wasteful number, since it uses less digits than its factorization.

87014742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502462.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 87014742 is about 9328.1692737643. The cubic root of 87014742 is about 443.1297885352.

The spelling of 87014742 in words is "eighty-seven million, fourteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 14502457 29004914 43507371 87014742