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84106407 = 37111919163
BaseRepresentation
bin1010000001101…
…01110010100111
312212021001022010
411000311302213
5133012401112
612202405303
72040615120
oct500656247
9185231263
1084106407
1143526430
1224200833
131456a508
14b255047
1575b563c
hex5035ca7

84106407 has 32 divisors (see below), whose sum is σ = 147179520. Its totient is φ = 41389920.

The previous prime is 84106403. The next prime is 84106487. The reversal of 84106407 is 70460148.

It is not a de Polignac number, because 84106407 - 22 = 84106403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84106403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5193 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (4599360).

Almost surely, 284106407 is an apocalyptic number.

84106407 is a deficient number, since it is larger than the sum of its proper divisors (63073113).

84106407 is a wasteful number, since it uses less digits than its factorization.

84106407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19203.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 84106407 is about 9170.9545304728. The cubic root of 84106407 is about 438.1367611547.

It can be divided in two parts, 84 and 106407, that added together give a triangular number (106491 = T461).

The spelling of 84106407 in words is "eighty-four million, one hundred six thousand, four hundred seven".

Divisors: 1 3 7 11 19 21 33 57 77 133 209 231 399 627 1463 4389 19163 57489 134141 210793 364097 402423 632379 1092291 1475551 2548679 4005067 4426653 7646037 12015201 28035469 84106407