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220640150 = 25223191861
BaseRepresentation
bin11010010011010…
…11001110010110
3120101011200101102
431021223032112
5422440441100
633521030102
75316260513
oct1511531626
9511150342
10220640150
11103600235
1261a85332
1336932c03
142143630a
1514584cd5
hexd26b396

220640150 has 24 divisors (see below), whose sum is σ = 428235984. Its totient is φ = 84418400.

The previous prime is 220640129. The next prime is 220640153. The reversal of 220640150 is 51046022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220640153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94781 + ... + 97080.

It is an arithmetic number, because the mean of its divisors is an integer number (17843166).

Almost surely, 2220640150 is an apocalyptic number.

220640150 is a deficient number, since it is larger than the sum of its proper divisors (207595834).

220640150 is a wasteful number, since it uses less digits than its factorization.

220640150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191896 (or 191891 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220640150 is about 14853.9607512609. The cubic root of 220640150 is about 604.2660315893.

Adding to 220640150 its reverse (51046022), we get a palindrome (271686172).

The spelling of 220640150 in words is "two hundred twenty million, six hundred forty thousand, one hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 575 1150 191861 383722 959305 1918610 4412803 4796525 8825606 9593050 22064015 44128030 110320075 220640150