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87889485 = 355859299
BaseRepresentation
bin1010011110100…
…01011001001101
320010101020201010
411033101121031
5134444430420
612415435433
72115022365
oct517213115
9203336633
1087889485
114567a742
1225525b79
1315293418
14b95b9a5
157ab14e0
hex53d164d

87889485 has 8 divisors (see below), whose sum is σ = 140623200. Its totient is φ = 46874384.

The previous prime is 87889481. The next prime is 87889489. The reversal of 87889485 is 58498878.

It is an interprime number because it is at equal distance from previous prime (87889481) and next prime (87889489).

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 87889485 - 22 = 87889481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87889481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929635 + ... + 2929664.

It is an arithmetic number, because the mean of its divisors is an integer number (17577900).

Almost surely, 287889485 is an apocalyptic number.

It is an amenable number.

87889485 is a deficient number, since it is larger than the sum of its proper divisors (52733715).

87889485 is a wasteful number, since it uses less digits than its factorization.

87889485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859307.

The product of its digits is 5160960, while the sum is 57.

The square root of 87889485 is about 9374.9391998028. The cubic root of 87889485 is about 444.6097407497.

The spelling of 87889485 in words is "eighty-seven million, eight hundred eighty-nine thousand, four hundred eighty-five".

Divisors: 1 3 5 15 5859299 17577897 29296495 87889485