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201125320 = 235111992297
BaseRepresentation
bin10111111110011…
…10110111001000
3112000110020001221
423333032313020
5402442002240
631542451424
74661352124
oct1377166710
9460406057
10201125320
11a3591480
1257433b74
133288c586
141c9d6584
15129cca4a
hexbfcedc8

201125320 has 64 divisors (see below), whose sum is σ = 496368000. Its totient is φ = 72737280.

The previous prime is 201125311. The next prime is 201125333. The reversal of 201125320 is 23521102.

It is a junction number, because it is equal to n+sod(n) for n = 201125294 and 201125303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86412 + ... + 88708.

It is an arithmetic number, because the mean of its divisors is an integer number (7755750).

Almost surely, 2201125320 is an apocalyptic number.

201125320 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 201125320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248184000).

201125320 is an abundant number, since it is smaller than the sum of its proper divisors (295242680).

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

201125320 is a wasteful number, since it uses less digits than its factorization.

201125320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 201125320 is about 14181.8658857007. The cubic root of 201125320 is about 585.8983154762.

Adding to 201125320 its reverse (23521102), we get a palindrome (224646422).

It can be divided in two parts, 201 and 125320, that added together give a palindrome (125521).

The spelling of 201125320 in words is "two hundred one million, one hundred twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 199 220 398 440 796 995 1592 1990 2189 2297 3980 4378 4594 7960 8756 9188 10945 11485 17512 18376 21890 22970 25267 43780 45940 50534 87560 91880 101068 126335 202136 252670 457103 505340 914206 1010680 1828412 2285515 3656824 4571030 5028133 9142060 10056266 18284120 20112532 25140665 40225064 50281330 100562660 201125320