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145324200 = 23352724943
BaseRepresentation
bin10001010100101…
…11100010101000
3101010110020022210
420222113202220
5244200333300
622230445120
73413143500
oct1052274250
9333406283
10145324200
117503924a
12408037a0
1324152868
141542ca00
15cb59050
hex8a978a8

145324200 has 144 divisors (see below), whose sum is σ = 524162880. Its totient is φ = 33210240.

The previous prime is 145324199. The next prime is 145324237. The reversal of 145324200 is 2423541.

It is a super-2 number, since 2×1453242002 = 42238246211280000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26929 + ... + 31871.

It is an arithmetic number, because the mean of its divisors is an integer number (3640020).

Almost surely, 2145324200 is an apocalyptic number.

145324200 is a gapful number since it is divisible by the number (10) 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 145324200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262081440).

145324200 is an abundant number, since it is smaller than the sum of its proper divisors (378838680).

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

145324200 is a wasteful number, since it uses less digits than its factorization.

145324200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976 (or 4960 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 145324200 is about 12055.0487348662. The cubic root of 145324200 is about 525.7500390607.

Adding to 145324200 its reverse (2423541), we get a palindrome (147747741).

The spelling of 145324200 in words is "one hundred forty-five million, three hundred twenty-four thousand, two hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 49 50 56 60 70 75 84 98 100 105 120 140 147 150 168 175 196 200 210 245 280 294 300 350 392 420 490 525 588 600 700 735 840 980 1050 1176 1225 1400 1470 1960 2100 2450 2940 3675 4200 4900 4943 5880 7350 9800 9886 14700 14829 19772 24715 29400 29658 34601 39544 49430 59316 69202 74145 98860 103803 118632 123575 138404 148290 173005 197720 207606 242207 247150 276808 296580 346010 370725 415212 484414 494300 519015 593160 692020 726621 741450 830424 865025 968828 988600 1038030 1211035 1384040 1453242 1482900 1730050 1937656 2076060 2422070 2595075 2906484 2965800 3460100 3633105 4152120 4844140 5190150 5812968 6055175 6920200 7266210 9688280 10380300 12110350 14532420 18165525 20760600 24220700 29064840 36331050 48441400 72662100 145324200