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84900605 = 522974149
BaseRepresentation
bin1010000111101…
…11101011111101
312220202101201212
411003313223331
5133213304410
612231414205
72050433426
oct503675375
9186671655
1084900605
1143a19099
1224524365
1314787b5a
14b3c064d
1576c0b05
hex50f7afd

84900605 has 8 divisors (see below), whose sum is σ = 102327000. Its totient is φ = 67622976.

The previous prime is 84900583. The next prime is 84900631. The reversal of 84900605 is 50600948.

It can be written as a sum of positive squares in 4 ways, for example, as 30096196 + 54804409 = 5486^2 + 7403^2 .

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 84900605 - 212 = 84896509 is a prime.

It is a super-2 number, since 2×849006052 = 14416225458732050, which contains 22 as substring.

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, 35930 + ... + 38219.

It is an arithmetic number, because the mean of its divisors is an integer number (12790875).

Almost surely, 284900605 is an apocalyptic number.

It is an amenable number.

84900605 is a deficient number, since it is larger than the sum of its proper divisors (17426395).

84900605 is a wasteful number, since it uses less digits than its factorization.

84900605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74383.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 84900605 is about 9214.1524298223. The cubic root of 84900605 is about 439.5115188469.

The spelling of 84900605 in words is "eighty-four million, nine hundred thousand, six hundred five".

Divisors: 1 5 229 1145 74149 370745 16980121 84900605