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122245205 = 526779133
BaseRepresentation
bin1110100100101…
…01000001010101
322112000200220012
413102111001111
5222243321310
620044050005
73013032005
oct722250125
9275020805
10122245205
11630056a5
1234b33905
131c431b54
1412342005
15aaeac05
hex7495055

122245205 has 8 divisors (see below), whose sum is σ = 146765112. Its totient is φ = 97748928.

The previous prime is 122245199. The next prime is 122245217. The reversal of 122245205 is 502542221.

It can be written as a sum of positive squares in 4 ways, for example, as 3020644 + 119224561 = 1738^2 + 10919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122245205 - 210 = 122244181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8819 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (18345639).

Almost surely, 2122245205 is an apocalyptic number.

It is an amenable number.

122245205 is a deficient number, since it is larger than the sum of its proper divisors (24519907).

122245205 is an equidigital number, since it uses as much as digits as its factorization.

122245205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 122245205 is about 11056.4553542263. The cubic root of 122245205 is about 496.2996219628.

Adding to 122245205 its reverse (502542221), we get a palindrome (624787426).

The spelling of 122245205 in words is "one hundred twenty-two million, two hundred forty-five thousand, two hundred five".

Divisors: 1 5 2677 9133 13385 45665 24449041 122245205