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85347384 = 23353229293
BaseRepresentation
bin1010001011001…
…00110000111000
312221121002121020
411011210300320
5133322104014
612245142440
72054304123
oct505446070
9187532536
1085347384
11441a3831
12246baa20
13148b3315
14b4993ba
15775d1a9
hex5164c38

85347384 has 64 divisors (see below), whose sum is σ = 219088800. Its totient is φ = 27695616.

The previous prime is 85347343. The next prime is 85347401. The reversal of 85347384 is 48374358.

85347384 = T367 + T368 + ... + T824.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 291142 + ... + 291434.

Almost surely, 285347384 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 85347384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109544400).

85347384 is an abundant number, since it is smaller than the sum of its proper divisors (133741416).

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

85347384 is a wasteful number, since it uses less digits than its factorization.

85347384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 580 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 85347384 is about 9238.3647903728. The cubic root of 85347384 is about 440.2811288802.

The spelling of 85347384 in words is "eighty-five million, three hundred forty-seven thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 229 293 318 424 458 586 636 687 879 916 1172 1272 1374 1758 1832 2344 2748 3516 5496 7032 12137 15529 24274 31058 36411 46587 48548 62116 67097 72822 93174 97096 124232 134194 145644 186348 201291 268388 291288 372696 402582 536776 805164 1610328 3556141 7112282 10668423 14224564 21336846 28449128 42673692 85347384