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2315205200 = 245271175169
BaseRepresentation
bin1000100111111111…
…0011101001010000
312222100110121110202
42021333303221100
514220143031300
61021422514332
7111241630250
oct21177635120
95870417422
102315205200
11a88966a30
125474359a8
132ab86a009
1417d6a9960
15d83c6ad5
hex89ff3a50

2315205200 has 120 divisors (see below), whose sum is σ = 6934883520. Its totient is φ = 721612800.

The previous prime is 2315205173. The next prime is 2315205229. The reversal of 2315205200 is 25025132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6785 + ... + 68384.

It is an arithmetic number, because the mean of its divisors is an integer number (57790696).

Almost surely, 22315205200 is an apocalyptic number.

2315205200 is a gapful number since it is divisible by the number (20) 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 2315205200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3467441760).

2315205200 is an abundant number, since it is smaller than the sum of its proper divisors (4619678320).

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

2315205200 is a wasteful number, since it uses less digits than its factorization.

2315205200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75205 (or 75194 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2315205200 is about 48116.5792632851. The cubic root of 2315205200 is about 1322.9085695359.

The spelling of 2315205200 in words is "two billion, three hundred fifteen million, two hundred five thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 25 28 35 40 44 50 55 56 70 77 80 88 100 110 112 140 154 175 176 200 220 275 280 308 350 385 400 440 550 560 616 700 770 880 1100 1232 1400 1540 1925 2200 2800 3080 3850 4400 6160 7700 15400 30800 75169 150338 300676 375845 526183 601352 751690 826859 1052366 1202704 1503380 1653718 1879225 2104732 2630915 3006760 3307436 3758450 4134295 4209464 5261830 5788013 6013520 6614872 7516900 8268590 8418928 10523660 11576026 13154575 13229744 15033800 16537180 20671475 21047320 23152052 26309150 28940065 30067600 33074360 41342950 42094640 46304104 52618300 57880130 66148720 82685900 92608208 105236600 115760260 144700325 165371800 210473200 231520520 289400650 330743600 463041040 578801300 1157602600 2315205200