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85441344 = 2634379131
BaseRepresentation
bin1010001011110…
…11101101000000
312221202212111020
411011323231000
5133333110334
612251145440
72055145062
oct505735500
9187685436
1085441344
114425838a
1224745280
1314917011
14b4c1732
15777ae49
hex517bb40

85441344 has 112 divisors (see below), whose sum is σ = 236037120. Its totient is φ = 27256320.

The previous prime is 85441313. The next prime is 85441351. The reversal of 85441344 is 44314458.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 652159 + ... + 652289.

Almost surely, 285441344 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 85441344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118018560).

85441344 is an abundant number, since it is smaller than the sum of its proper divisors (150595776).

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

85441344 is a wasteful number, since it uses less digits than its factorization.

85441344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 258 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 85441344 is about 9243.4487070573. The cubic root of 85441344 is about 440.4426399544.

The spelling of 85441344 in words is "eighty-five million, four hundred forty-one thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 79 86 96 129 131 158 172 192 237 258 262 316 344 393 474 516 524 632 688 786 948 1032 1048 1264 1376 1572 1896 2064 2096 2528 2752 3144 3397 3792 4128 4192 5056 5633 6288 6794 7584 8256 8384 10191 10349 11266 12576 13588 15168 16899 20382 20698 22532 25152 27176 31047 33798 40764 41396 45064 54352 62094 67596 81528 82792 90128 108704 124188 135192 163056 165584 180256 217408 248376 270384 326112 331168 360512 445007 496752 540768 652224 662336 890014 993504 1081536 1335021 1780028 1987008 2670042 3560056 5340084 7120112 10680168 14240224 21360336 28480448 42720672 85441344