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84371144 = 23111373751
BaseRepresentation
bin1010000011101…
…10011011001000
312212202111110012
411001312123020
5133044334034
612212211052
72043100004
oct501663310
9185674405
1084371144
1143697320
1224309a88
1314630b70
14b2c3704
157618cce
hex50766c8

84371144 has 32 divisors (see below), whose sum is σ = 185855040. Its totient is φ = 35400000.

The previous prime is 84371143. The next prime is 84371167. The reversal of 84371144 is 44117348.

It is a self number, because there is not a number n which added to its sum of digits gives 84371144.

It is not an unprimeable number, because it can be changed into a prime (84371143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35732 + ... + 38019.

It is an arithmetic number, because the mean of its divisors is an integer number (5807970).

Almost surely, 284371144 is an apocalyptic number.

It is an amenable number.

84371144 is an abundant number, since it is smaller than the sum of its proper divisors (101483896).

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

84371144 is a wasteful number, since it uses less digits than its factorization.

84371144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73781 (or 73777 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 84371144 is about 9185.3766389844. The cubic root of 84371144 is about 438.5959791413.

The spelling of 84371144 in words is "eighty-four million, three hundred seventy-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 73751 147502 295004 590008 811261 958763 1622522 1917526 3245044 3835052 6490088 7670104 10546393 21092786 42185572 84371144