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310020132 = 223163353449
BaseRepresentation
bin10010011110101…
…000100000100100
3210121100122200010
4102132220200210
51113331121012
650432450220
710453061532
oct2236504044
9717318603
10310020132
11149aa8794
12879a9970
134c2c8886
142d261152
151c33cc3c
hex127a8824

310020132 has 48 divisors (see below), whose sum is σ = 731505600. Its totient is φ = 102187008.

The previous prime is 310020127. The next prime is 310020149. The reversal of 310020132 is 231020013.

It is a happy number.

It is a super-2 number, since 2×3100201322 = 192224964490594848, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690244 + ... + 690692.

It is an arithmetic number, because the mean of its divisors is an integer number (15239700).

Almost surely, 2310020132 is an apocalyptic number.

It is an amenable number.

310020132 is an abundant number, since it is smaller than the sum of its proper divisors (421485468).

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

310020132 is a wasteful number, since it uses less digits than its factorization.

310020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 970 counting only the distinct ones).

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

The square root of 310020132 is about 17607.3885627597. The cubic root of 310020132 is about 676.8045955766.

Adding to 310020132 its reverse (231020013), we get a palindrome (541040145).

It can be divided in two parts, 3100 and 20132, that added together give a palindrome (23232).

The spelling of 310020132 in words is "three hundred ten million, twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 163 326 353 449 489 652 706 898 978 1059 1347 1412 1796 1956 2118 2694 4236 5388 57539 73187 115078 146374 158497 172617 219561 230156 292748 316994 345234 439122 475491 633988 690468 878244 950982 1901964 25835011 51670022 77505033 103340044 155010066 310020132