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87251046 = 2314541841
BaseRepresentation
bin1010011001101…
…01100001100110
320002011210221020
411030311201212
5134314013141
612354032010
72106423141
oct514654146
9202153836
1087251046
1145284003
1225278606
13150cb94c
14b833058
1579d7266
hex5335866

87251046 has 8 divisors (see below), whose sum is σ = 174502104. Its totient is φ = 29083680.

The previous prime is 87251009. The next prime is 87251051. The reversal of 87251046 is 64015278.

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

87251046 is an admirable number.

It is a super-2 number, since 2×872510462 = 15225490056188232, which contains 22 as substring.

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 junction number, because it is equal to n+sod(n) for n = 87250998 and 87251016.

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, 7270915 + ... + 7270926.

It is an arithmetic number, because the mean of its divisors is an integer number (21812763).

Almost surely, 287251046 is an apocalyptic number.

87251046 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.

87251046 is a wasteful number, since it uses less digits than its factorization.

87251046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541846.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 87251046 is about 9340.8268370632. The cubic root of 87251046 is about 443.5305585375.

The spelling of 87251046 in words is "eighty-seven million, two hundred fifty-one thousand, forty-six".

Divisors: 1 2 3 6 14541841 29083682 43625523 87251046