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284116680 = 23335263071
BaseRepresentation
bin10000111011110…
…100011011001000
3201210121121211000
4100323310123020
51040213213210
644105335000
710016644341
oct2073643310
9653547730
10284116680
11136416081
127b197460
1346b293a3
1429a3b0c8
1519e22ac0
hex10ef46c8

284116680 has 64 divisors (see below), whose sum is σ = 947059200. Its totient is φ = 75764160.

The previous prime is 284116663. The next prime is 284116681. The reversal of 284116680 is 86611482.

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

It is not an unprimeable number, because it can be changed into a prime (284116681) 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, 130456 + ... + 132615.

It is an arithmetic number, because the mean of its divisors is an integer number (14797800).

Almost surely, 2284116680 is an apocalyptic number.

284116680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284116680 is an abundant number, since it is smaller than the sum of its proper divisors (662942520).

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

284116680 is a wasteful number, since it uses less digits than its factorization.

284116680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263091 (or 263081 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 284116680 is about 16855.7610329525. The cubic root of 284116680 is about 657.4038508702.

It can be divided in two parts, 284 and 116680, that added together give a square (116964 = 3422).

The spelling of 284116680 in words is "two hundred eighty-four million, one hundred sixteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 263071 526142 789213 1052284 1315355 1578426 2104568 2367639 2630710 3156852 3946065 4735278 5261420 6313704 7102917 7892130 9470556 10522840 11838195 14205834 15784260 18941112 23676390 28411668 31568520 35514585 47352780 56823336 71029170 94705560 142058340 284116680