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84376487 = 1318713469
BaseRepresentation
bin1010000011101…
…11101110100111
312212202202210002
411001313232213
5133100021422
612212251515
72043121406
oct501675647
9185682702
1084376487
11436a0338
1224310b9b
1314633420
14b2c563d
15761a692
hex5077ba7

84376487 has 8 divisors (see below), whose sum is σ = 90941760. Its totient is φ = 77821920.

The previous prime is 84376469. The next prime is 84376499. The reversal of 84376487 is 78467348.

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 84376487 - 28 = 84376231 is a prime.

It is a super-2 number, since 2×843764872 = 14238783116922338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84376417) 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, 22589 + ... + 26057.

It is an arithmetic number, because the mean of its divisors is an integer number (11367720).

Almost surely, 284376487 is an apocalyptic number.

84376487 is a deficient number, since it is larger than the sum of its proper divisors (6565273).

84376487 is a wasteful number, since it uses less digits than its factorization.

84376487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353.

The product of its digits is 903168, while the sum is 47.

The square root of 84376487 is about 9185.6674771080. The cubic root of 84376487 is about 438.6052373179.

The spelling of 84376487 in words is "eighty-four million, three hundred seventy-six thousand, four hundred eighty-seven".

Divisors: 1 13 1871 3469 24323 45097 6490499 84376487