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84031382 = 242015691
BaseRepresentation
bin1010000001000…
…11011110010110
312212010020101102
411000203132112
5133003001012
612201030102
72040153311
oct500433626
9185106342
1084031382
1143485026
1224185332
1314542316
14b235978
15759d2c2
hex5023796

84031382 has 4 divisors (see below), whose sum is σ = 126047076. Its totient is φ = 42015690.

The previous prime is 84031379. The next prime is 84031429. The reversal of 84031382 is 28313048.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×840313822 = 14122546321659848, 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 as a sum of consecutive naturals, namely, 21007844 + ... + 21007847.

It is an arithmetic number, because the mean of its divisors is an integer number (31511769).

Almost surely, 284031382 is an apocalyptic number.

84031382 is a deficient number, since it is larger than the sum of its proper divisors (42015694).

84031382 is a wasteful number, since it uses less digits than its factorization.

84031382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42015693.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 84031382 is about 9166.8632584980. The cubic root of 84031382 is about 438.0064461149.

The spelling of 84031382 in words is "eighty-four million, thirty-one thousand, three hundred eighty-two".

Divisors: 1 2 42015691 84031382