Search a number
-
+
301131120 = 24356192027
BaseRepresentation
bin10001111100101…
…110010101110000
3202222122001020110
4101330232111300
51104042143440
645514141320
710314400203
oct2174562560
9688561213
10301131120
11144a872a4
1284a21840
134a5058c4
142bdc993a
151b684080
hex11f2e570

301131120 has 80 divisors (see below), whose sum is σ = 935475840. Its totient is φ = 80132352.

The previous prime is 301131113. The next prime is 301131137. The reversal of 301131120 is 21131103.

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

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 = 301131096 and 301131105.

It is a congruent number.

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, 147547 + ... + 149573.

It is an arithmetic number, because the mean of its divisors is an integer number (11693448).

Almost surely, 2301131120 is an apocalyptic number.

301131120 is a gapful number since it is divisible by the number (30) 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 301131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467737920).

301131120 is an abundant number, since it is smaller than the sum of its proper divisors (634344720).

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

301131120 is a wasteful number, since it uses less digits than its factorization.

301131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 301131120 is about 17353.1299770387. The cubic root of 301131120 is about 670.2732382229.

Adding to 301131120 its reverse (21131103), we get a palindrome (322262223).

The spelling of 301131120 in words is "three hundred one million, one hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 619 1238 1857 2027 2476 3095 3714 4054 4952 6081 6190 7428 8108 9285 9904 10135 12162 12380 14856 16216 18570 20270 24324 24760 29712 30405 32432 37140 40540 48648 49520 60810 74280 81080 97296 121620 148560 162160 243240 486480 1254713 2509426 3764139 5018852 6273565 7528278 10037704 12547130 15056556 18820695 20075408 25094260 30113112 37641390 50188520 60226224 75282780 100377040 150565560 301131120