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84542304 = 25371111437
BaseRepresentation
bin1010000101000…
…00001101100000
312220002012020110
411002200031200
5133120323204
612220011320
72044412010
oct502401540
9186065213
1084542304
11437a3980
1224390b40
1314690a42
14b329c40
15764e889
hex50a0360

84542304 has 96 divisors (see below), whose sum is σ = 276708096. Its totient is φ = 21957120.

The previous prime is 84542303. The next prime is 84542347. The reversal of 84542304 is 40324548.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84542303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (2882376).

Almost surely, 284542304 is an apocalyptic number.

84542304 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84542304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138354048).

84542304 is an abundant number, since it is smaller than the sum of its proper divisors (192165792).

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

84542304 is a wasteful number, since it uses less digits than its factorization.

84542304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11468 (or 11460 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 84542304 is about 9194.6889017519. The cubic root of 84542304 is about 438.8923655502.

The spelling of 84542304 in words is "eighty-four million, five hundred forty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 132 154 168 176 224 231 264 308 336 352 462 528 616 672 924 1056 1232 1848 2464 3696 7392 11437 22874 34311 45748 68622 80059 91496 125807 137244 160118 182992 240177 251614 274488 320236 365984 377421 480354 503228 548976 640472 754842 880649 960708 1006456 1097952 1280944 1509684 1761298 1921416 2012912 2561888 2641947 3019368 3522596 3842832 4025824 5283894 6038736 7045192 7685664 10567788 12077472 14090384 21135576 28180768 42271152 84542304