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84729288 = 23374112301
BaseRepresentation
bin1010000110011…
…01110111001000
312220102200201210
411003031313020
5133142314123
612224013120
72046121110
oct503156710
9186380653
1084729288
1143911406
12244611a0
1314727b97
14b378040
157689e93
hex50cddc8

84729288 has 64 divisors (see below), whose sum is σ = 248008320. Its totient is φ = 23616000.

The previous prime is 84729283. The next prime is 84729299. The reversal of 84729288 is 88292748.

It is not an unprimeable number, because it can be changed into a prime (84729283) 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 15 ways as a sum of consecutive naturals, for example, 738 + ... + 13038.

It is an arithmetic number, because the mean of its divisors is an integer number (3875130).

Almost surely, 284729288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84729288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124004160).

84729288 is an abundant number, since it is smaller than the sum of its proper divisors (163279032).

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

84729288 is a wasteful number, since it uses less digits than its factorization.

84729288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358 (or 12354 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 84729288 is about 9204.8513295979. The cubic root of 84729288 is about 439.2156964672.

It can be divided in two parts, 847 and 29288, that added together give a triangular number (30135 = T245).

The spelling of 84729288 in words is "eighty-four million, seven hundred twenty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 246 287 328 492 574 861 984 1148 1722 2296 3444 6888 12301 24602 36903 49204 73806 86107 98408 147612 172214 258321 295224 344428 504341 516642 688856 1008682 1033284 1513023 2017364 2066568 3026046 3530387 4034728 6052092 7060774 10591161 12104184 14121548 21182322 28243096 42364644 84729288