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201303120 = 24351749339
BaseRepresentation
bin10111111111110…
…10010001010000
3112000210020222010
423333322101100
5403013144440
631550342520
74663022364
oct1377722120
9460706863
10201303120
11a36a3017
12574baa40
1332922495
141ca412a4
1512a15580
hexbffa450

201303120 has 80 divisors (see below), whose sum is σ = 660761280. Its totient is φ = 50522112.

The previous prime is 201303101. The next prime is 201303127. The reversal of 201303120 is 21303102.

It is a happy number.

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

It is a super-2 number, since 2×2013031202 = 81045892243468800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201303096 and 201303105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201303127) 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, 20590 + ... + 28749.

It is an arithmetic number, because the mean of its divisors is an integer number (8259516).

Almost surely, 2201303120 is an apocalyptic number.

201303120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201303120 is an abundant number, since it is smaller than the sum of its proper divisors (459458160).

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

201303120 is a wasteful number, since it uses less digits than its factorization.

201303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49372 (or 49366 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 201303120 is about 14188.1330695761. The cubic root of 201303120 is about 586.0709143952.

Adding to 201303120 its reverse (21303102), we get a palindrome (222606222).

The spelling of 201303120 in words is "two hundred one million, three hundred three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 49339 98678 148017 197356 246695 296034 394712 493390 592068 740085 789424 838763 986780 1184136 1480170 1677526 1973560 2368272 2516289 2960340 3355052 3947120 4193815 5032578 5920680 6710104 8387630 10065156 11841360 12581445 13420208 16775260 20130312 25162890 33550520 40260624 50325780 67101040 100651560 201303120