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82944432 = 24331011901
BaseRepresentation
bin1001111000110…
…10000110110000
312210002000101000
410330122012300
5132213210212
612121442000
72025005334
oct474320660
9183060330
1082944432
114290241a
1223940300
131425165c
14b0317c4
1574361dc
hex4f1a1b0

82944432 has 80 divisors (see below), whose sum is σ = 240564960. Its totient is φ = 27360000.

The previous prime is 82944431. The next prime is 82944439. The reversal of 82944432 is 23444928.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (82944431) 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, 42682 + ... + 44582.

It is an arithmetic number, because the mean of its divisors is an integer number (3007062).

Almost surely, 282944432 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 82944432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120282480).

82944432 is an abundant number, since it is smaller than the sum of its proper divisors (157620528).

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

82944432 is a wasteful number, since it uses less digits than its factorization.

82944432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2007 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 82944432 is about 9107.3833783365. The cubic root of 82944432 is about 436.1096994120.

It can be divided in two parts, 82944 and 432, that multiplied together give a 7-th power (35831808 = 127).

The spelling of 82944432 in words is "eighty-two million, nine hundred forty-four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 101 108 144 202 216 303 404 432 606 808 909 1212 1616 1818 1901 2424 2727 3636 3802 4848 5454 5703 7272 7604 10908 11406 14544 15208 17109 21816 22812 30416 34218 43632 45624 51327 68436 91248 102654 136872 192001 205308 273744 384002 410616 576003 768004 821232 1152006 1536008 1728009 2304012 3072016 3456018 4608024 5184027 6912036 9216048 10368054 13824072 20736108 27648144 41472216 82944432