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84115045 = 572403287
BaseRepresentation
bin1010000001101…
…11111001100101
312212021111011001
411000313321211
5133013140140
612202513301
72040652240
oct500677145
9185244131
1084115045
1143531973
1224205831
1314571421
14b258257
1575b7e9a
hex5037e65

84115045 has 8 divisors (see below), whose sum is σ = 115357824. Its totient is φ = 57678864.

The previous prime is 84115037. The next prime is 84115069. The reversal of 84115045 is 54051148.

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 84115045 - 23 = 84115037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201609 + ... + 1201678.

It is an arithmetic number, because the mean of its divisors is an integer number (14419728).

Almost surely, 284115045 is an apocalyptic number.

It is an amenable number.

84115045 is a deficient number, since it is larger than the sum of its proper divisors (31242779).

84115045 is a wasteful number, since it uses less digits than its factorization.

84115045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403299.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 84115045 is about 9171.4254617262. The cubic root of 84115045 is about 438.1517599954.

It can be divided in two parts, 8411 and 5045, that added together give a square (13456 = 1162).

The spelling of 84115045 in words is "eighty-four million, one hundred fifteen thousand, forty-five".

Divisors: 1 5 7 35 2403287 12016435 16823009 84115045