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87460930 = 258746093
BaseRepresentation
bin1010011011010…
…00110001000010
320002120110211201
411031220301002
5134342222210
612402331414
72111256064
oct515506102
9202513751
1087460930
1145407767
1225359b6a
131517333b
14b889734
157a2953a
hex5368c42

87460930 has 8 divisors (see below), whose sum is σ = 157429692. Its totient is φ = 34984368.

The previous prime is 87460921. The next prime is 87460931. The reversal of 87460930 is 3906478.

It can be written as a sum of positive squares in 2 ways, for example, as 84217329 + 3243601 = 9177^2 + 1801^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 87460930.

It is not an unprimeable number, because it can be changed into a prime (87460931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373037 + ... + 4373056.

Almost surely, 287460930 is an apocalyptic number.

87460930 is a deficient number, since it is larger than the sum of its proper divisors (69968762).

87460930 is a wasteful number, since it uses less digits than its factorization.

87460930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746100.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 87460930 is about 9352.0548544157. The cubic root of 87460930 is about 443.8859140639.

The spelling of 87460930 in words is "eighty-seven million, four hundred sixty thousand, nine hundred thirty".

Divisors: 1 2 5 10 8746093 17492186 43730465 87460930