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87430535 = 5109160423
BaseRepresentation
bin1010011011000…
…01010110000111
320002111221010222
411031201112013
5134340234120
612401534555
72111101343
oct515412607
9202457128
1087430535
1145396945
122534445b
131516255a
14b87c623
157a20525
hex5361587

87430535 has 8 divisors (see below), whose sum is σ = 105879840. Its totient is φ = 69302304.

The previous prime is 87430531. The next prime is 87430537. The reversal of 87430535 is 53503478.

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

It is a cyclic number.

It is not a de Polignac number, because 87430535 - 22 = 87430531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87430495 and 87430504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87430531) 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 7 ways as a sum of consecutive naturals, for example, 79667 + ... + 80756.

It is an arithmetic number, because the mean of its divisors is an integer number (13234980).

Almost surely, 287430535 is an apocalyptic number.

87430535 is a deficient number, since it is larger than the sum of its proper divisors (18449305).

87430535 is a wasteful number, since it uses less digits than its factorization.

87430535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160537.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 87430535 is about 9350.4296692719. The cubic root of 87430535 is about 443.8344873846.

The spelling of 87430535 in words is "eighty-seven million, four hundred thirty thousand, five hundred thirty-five".

Divisors: 1 5 109 545 160423 802115 17486107 87430535