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20632150 = 25271123233
BaseRepresentation
bin100111010110…
…1001001010110
31102211012222201
41032231021112
520240212100
62014115114
7340241020
oct116551126
942735881
1020632150
1110712270
126aaba9a
134375096
142a51010
151c2836a
hex13ad256

20632150 has 96 divisors (see below), whose sum is σ = 50139648. Its totient is φ = 6124800.

The previous prime is 20632147. The next prime is 20632159. The reversal of 20632150 is 5123602.

It is a happy number.

It is a super-2 number, since 2×206321502 = 851371227245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20632159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88434 + ... + 88666.

It is an arithmetic number, because the mean of its divisors is an integer number (522288).

Almost surely, 220632150 is an apocalyptic number.

20632150 is an abundant number, since it is smaller than the sum of its proper divisors (29507498).

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

20632150 is a wasteful number, since it uses less digits than its factorization.

20632150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20632150 is about 4542.2626520271. The cubic root of 20632150 is about 274.2720139538.

Adding to 20632150 its reverse (5123602), we get a palindrome (25755752).

The spelling of 20632150 in words is "twenty million, six hundred thirty-two thousand, one hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 23 25 35 46 50 55 70 77 110 115 154 161 175 230 233 253 275 322 350 385 466 506 550 575 770 805 1150 1165 1265 1610 1631 1771 1925 2330 2530 2563 3262 3542 3850 4025 5126 5359 5825 6325 8050 8155 8855 10718 11650 12650 12815 16310 17710 17941 25630 26795 35882 37513 40775 44275 53590 58949 64075 75026 81550 88550 89705 117898 128150 133975 179410 187565 267950 294745 375130 412643 448525 589490 825286 897050 937825 1473725 1875650 2063215 2947450 4126430 10316075 20632150