Search a number
-
+
88741680 = 2435438599
BaseRepresentation
bin1010100101000…
…01011100110000
320011222112200220
411102201130300
5140204213210
612450013040
72125202046
oct522413460
9204875626
1088741680
1146101a35
1225877180
1315501291
14bb00396
157bcdc70
hex54a1730

88741680 has 80 divisors (see below), whose sum is σ = 281529600. Its totient is φ = 23111424.

The previous prime is 88741669. The next prime is 88741699. The reversal of 88741680 is 8614788.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6021 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (3519120).

Almost surely, 288741680 is an apocalyptic number.

88741680 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 88741680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140764800).

88741680 is an abundant number, since it is smaller than the sum of its proper divisors (192787920).

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

88741680 is a wasteful number, since it uses less digits than its factorization.

88741680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658 (or 8652 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 88741680 is about 9420.2802506083. The cubic root of 88741680 is about 446.0421310586.

The spelling of 88741680 in words is "eighty-eight million, seven hundred forty-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 129 172 215 240 258 344 430 516 645 688 860 1032 1290 1720 2064 2580 3440 5160 8599 10320 17198 25797 34396 42995 51594 68792 85990 103188 128985 137584 171980 206376 257970 343960 369757 412752 515940 687920 739514 1031880 1109271 1479028 1848785 2063760 2218542 2958056 3697570 4437084 5546355 5916112 7395140 8874168 11092710 14790280 17748336 22185420 29580560 44370840 88741680