Search a number
-
+
122420150 = 2522778839
BaseRepresentation
bin1110100101111…
…11101110110110
322112100120212122
413102333232312
5222314421100
620051515542
73014361026
oct722775666
9275316778
10122420150
1163115086
1234bb8bb2
131c493678
1412389a86
15ab32985
hex74bfbb6

122420150 has 24 divisors (see below), whose sum is σ = 228549360. Its totient is φ = 48785760.

The previous prime is 122420143. The next prime is 122420153. The reversal of 122420150 is 51024221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122420153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9431 + ... + 18269.

It is an arithmetic number, because the mean of its divisors is an integer number (9522890).

Almost surely, 2122420150 is an apocalyptic number.

122420150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122420150 is a deficient number, since it is larger than the sum of its proper divisors (106129210).

122420150 is a wasteful number, since it uses less digits than its factorization.

122420150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128 (or 9123 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122420150 is about 11064.3639672599. The cubic root of 122420150 is about 496.5362604246.

Adding to 122420150 its reverse (51024221), we get a palindrome (173444371).

The spelling of 122420150 in words is "one hundred twenty-two million, four hundred twenty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 277 554 1385 2770 6925 8839 13850 17678 44195 88390 220975 441950 2448403 4896806 12242015 24484030 61210075 122420150