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20150196 = 22311293521
BaseRepresentation
bin100110011011…
…1011110110100
31101220201212120
41030313132310
520124301241
61555515540
7333162633
oct114673664
941821776
1020150196
1110413160
1268b8bb0
1342368c1
14296751a
151b80666
hex13377b4

20150196 has 48 divisors (see below), whose sum is σ = 51565248. Its totient is φ = 6073600.

The previous prime is 20150189. The next prime is 20150197. The reversal of 20150196 is 69105102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150197) 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, 38416 + ... + 38936.

It is an arithmetic number, because the mean of its divisors is an integer number (1074276).

Almost surely, 220150196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20150196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25782624).

20150196 is an abundant number, since it is smaller than the sum of its proper divisors (31415052).

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

20150196 is a wasteful number, since it uses less digits than its factorization.

20150196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 20150196 is about 4488.8969691896. The cubic root of 20150196 is about 272.1195588871.

Adding to 20150196 its reverse (69105102), we get a palindrome (89255298).

The spelling of 20150196 in words is "twenty million, one hundred fifty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 293 521 586 879 1042 1172 1563 1758 2084 3126 3223 3516 5731 6252 6446 9669 11462 12892 17193 19338 22924 34386 38676 68772 152653 305306 457959 610612 915918 1679183 1831836 3358366 5037549 6716732 10075098 20150196