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84853240 = 23519311359
BaseRepresentation
bin1010000111011…
…00000111111000
312220122222202121
411003230013320
5133210300430
612230411024
72050145353
oct503540770
9186588677
1084853240
114399654a
1224500a74
131476c424
14b3ab29a
1576b1a7a
hex50ec1f8

84853240 has 64 divisors (see below), whose sum is σ = 202176000. Its totient is φ = 31962240.

The previous prime is 84853199. The next prime is 84853243. The reversal of 84853240 is 4235848.

It is a junction number, because it is equal to n+sod(n) for n = 84853196 and 84853205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84853243) 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, 236181 + ... + 236539.

It is an arithmetic number, because the mean of its divisors is an integer number (3159000).

Almost surely, 284853240 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 84853240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101088000).

84853240 is an abundant number, since it is smaller than the sum of its proper divisors (117322760).

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

84853240 is a wasteful number, since it uses less digits than its factorization.

84853240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 84853240 is about 9211.5818402704. The cubic root of 84853240 is about 439.4297709585.

The spelling of 84853240 in words is "eighty-four million, eight hundred fifty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 311 359 380 622 718 760 1244 1436 1555 1795 2488 2872 3110 3590 5909 6220 6821 7180 11818 12440 13642 14360 23636 27284 29545 34105 47272 54568 59090 68210 111649 118180 136420 223298 236360 272840 446596 558245 893192 1116490 2121331 2232980 4242662 4465960 8485324 10606655 16970648 21213310 42426620 84853240