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84707142 = 23131085989
BaseRepresentation
bin1010000110010…
…00011101000110
312220101120100120
411003020131012
5133141112032
612223322410
72045666412
oct503103506
9186346316
1084707142
11438a6803
1224450406
131471aa90
14b36dd42
15768362c
hex50c8746

84707142 has 16 divisors (see below), whose sum is σ = 182446320. Its totient is φ = 26063712.

The previous prime is 84707131. The next prime is 84707143. The reversal of 84707142 is 24170748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84707143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542917 + ... + 543072.

It is an arithmetic number, because the mean of its divisors is an integer number (11402895).

Almost surely, 284707142 is an apocalyptic number.

84707142 is an abundant number, since it is smaller than the sum of its proper divisors (97739178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84707142 is a wasteful number, since it uses less digits than its factorization.

84707142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086007.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 84707142 is about 9203.6482983652. The cubic root of 84707142 is about 439.1774266685.

The spelling of 84707142 in words is "eighty-four million, seven hundred seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 1085989 2171978 3257967 6515934 14117857 28235714 42353571 84707142