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86990453 = 1161129643
BaseRepresentation
bin1010010111101…
…01111001110101
320001200120110122
411023311321311
5134232143303
612344301325
72104256324
oct513657165
9201616418
1086990453
1145116240
1225171845
131503a154
14b7a60bb
157984e38
hex52f5e75

86990453 has 8 divisors (see below), whose sum is σ = 96455136. Its totient is φ = 77785200.

The previous prime is 86990443. The next prime is 86990461. The reversal of 86990453 is 35409968.

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 86990453 - 26 = 86990389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86990413) 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 7 ways as a sum of consecutive naturals, for example, 64151 + ... + 65492.

It is an arithmetic number, because the mean of its divisors is an integer number (12056892).

Almost surely, 286990453 is an apocalyptic number.

It is an amenable number.

86990453 is a deficient number, since it is larger than the sum of its proper divisors (9464683).

86990453 is a wasteful number, since it uses less digits than its factorization.

86990453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129715.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 86990453 is about 9326.8672661296. The cubic root of 86990453 is about 443.0885534494.

The spelling of 86990453 in words is "eighty-six million, nine hundred ninety thousand, four hundred fifty-three".

Divisors: 1 11 61 671 129643 1426073 7908223 86990453