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84936905 = 567253543
BaseRepresentation
bin1010001000000…
…00100011001001
312220211020112022
411010000203021
5133220440110
612232254225
72050644314
oct504004311
9186736468
1084936905
1143a43399
1224541375
131479b531
14b3cd97b
1576cb755
hex51008c9

84936905 has 8 divisors (see below), whose sum is σ = 103445952. Its totient is φ = 66935088.

The previous prime is 84936877. The next prime is 84936937. The reversal of 84936905 is 50963948.

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 84936905 - 222 = 80742601 is a prime.

It is a Duffinian number.

It is a Curzon 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, 126437 + ... + 127106.

It is an arithmetic number, because the mean of its divisors is an integer number (12930744).

Almost surely, 284936905 is an apocalyptic number.

It is an amenable number.

84936905 is a deficient number, since it is larger than the sum of its proper divisors (18509047).

84936905 is a wasteful number, since it uses less digits than its factorization.

84936905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253615.

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

The square root of 84936905 is about 9216.1220152513. The cubic root of 84936905 is about 439.5741489263.

The spelling of 84936905 in words is "eighty-four million, nine hundred thirty-six thousand, nine hundred five".

Divisors: 1 5 67 335 253543 1267715 16987381 84936905