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83234400 = 2535279439
BaseRepresentation
bin1001111011000…
…00111001100000
312210121202010120
410331200321200
5132302000100
612132000240
72030323614
oct475407140
9183552116
1083234400
1142a90267
1223a60080
1314323632
14b0a9344
1574920a0
hex4f60e60

83234400 has 144 divisors (see below), whose sum is σ = 274982400. Its totient is φ = 21864960.

The previous prime is 83234377. The next prime is 83234407. The reversal of 83234400 is 443238.

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 (83234407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189381 + ... + 189819.

It is an arithmetic number, because the mean of its divisors is an integer number (1909600).

Almost surely, 283234400 is an apocalyptic number.

83234400 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 83234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137491200).

83234400 is an abundant number, since it is smaller than the sum of its proper divisors (191748000).

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

83234400 is a wasteful number, since it uses less digits than its factorization.

83234400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 83234400 is about 9123.2888806614. The cubic root of 83234400 is about 436.6173114649.

Adding to 83234400 its reverse (443238), we get a palindrome (83677638).

The spelling of 83234400 in words is "eighty-three million, two hundred thirty-four thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 79 80 96 100 120 150 158 160 200 237 240 300 316 395 400 439 474 480 600 632 790 800 878 948 1185 1200 1264 1317 1580 1756 1896 1975 2195 2370 2400 2528 2634 3160 3512 3792 3950 4390 4740 5268 5925 6320 6585 7024 7584 7900 8780 9480 10536 10975 11850 12640 13170 14048 15800 17560 18960 21072 21950 23700 26340 31600 32925 34681 35120 37920 42144 43900 47400 52680 63200 65850 69362 70240 87800 94800 104043 105360 131700 138724 173405 175600 189600 208086 210720 263400 277448 346810 351200 416172 520215 526800 554896 693620 832344 867025 1040430 1053600 1109792 1387240 1664688 1734050 2080860 2601075 2774480 3329376 3468100 4161720 5202150 5548960 6936200 8323440 10404300 13872400 16646880 20808600 27744800 41617200 83234400