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84052320 = 25351115919
BaseRepresentation
bin1010000001010…
…00100101100000
312212011022002220
411000220211200
5133004133240
612201311040
72040301332
oct500504540
9185138086
1084052320
1143499830
1224195480
131454ba01
14b23d452
1575a45d0
hex5028960

84052320 has 96 divisors (see below), whose sum is σ = 288852480. Its totient is φ = 20375040.

The previous prime is 84052307. The next prime is 84052321. The reversal of 84052320 is 2325048.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84052321) 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, 2680 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (3008880).

Almost surely, 284052320 is an apocalyptic number.

84052320 is a gapful number since it is divisible by the number (80) 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 84052320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144426240).

84052320 is an abundant number, since it is smaller than the sum of its proper divisors (204800160).

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

84052320 is a wasteful number, since it uses less digits than its factorization.

84052320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948 (or 15940 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 84052320 is about 9168.0052356006. The cubic root of 84052320 is about 438.0428222764.

Adding to 84052320 its reverse (2325048), we get a palindrome (86377368).

The spelling of 84052320 in words is "eighty-four million, fifty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 15919 31838 47757 63676 79595 95514 127352 159190 175109 191028 238785 254704 318380 350218 382056 477570 509408 525327 636760 700436 764112 875545 955140 1050654 1273520 1400872 1528224 1751090 1910280 2101308 2547040 2626635 2801744 3502180 3820560 4202616 5253270 5603488 7004360 7641120 8405232 10506540 14008720 16810464 21013080 28017440 42026160 84052320