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80329800 = 23352235821
BaseRepresentation
bin1001100100110…
…11110001001000
312121011011202210
410302123301020
5131031023200
611545425120
71663535445
oct462336110
9177134683
1080329800
1141386a71
1222a9b1a0
1313847535
14a9509cc
1570bb650
hex4c9bc48

80329800 has 96 divisors (see below), whose sum is σ = 259894080. Its totient is φ = 20486400.

The previous prime is 80329771. The next prime is 80329801. The reversal of 80329800 is 892308.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80329801) 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, 10890 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (2707230).

Almost surely, 280329800 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 80329800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129947040).

80329800 is an abundant number, since it is smaller than the sum of its proper divisors (179564280).

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

80329800 is a wasteful number, since it uses less digits than its factorization.

80329800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80329800 is about 8962.6893285442. The cubic root of 80329800 is about 431.4782366736.

It can be divided in two parts, 803 and 29800, that added together give a palindrome (30603).

The spelling of 80329800 in words is "eighty million, three hundred twenty-nine thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 25 30 40 46 50 60 69 75 92 100 115 120 138 150 184 200 230 276 300 345 460 552 575 600 690 920 1150 1380 1725 2300 2760 3450 4600 5821 6900 11642 13800 17463 23284 29105 34926 46568 58210 69852 87315 116420 133883 139704 145525 174630 232840 267766 291050 349260 401649 436575 535532 582100 669415 698520 803298 873150 1071064 1164200 1338830 1606596 1746300 2008245 2677660 3213192 3347075 3492600 4016490 5355320 6694150 8032980 10041225 13388300 16065960 20082450 26776600 40164900 80329800