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122908 = 2230727
BaseRepresentation
bin11110000000011100
320020121011
4132000130
512413113
62345004
71021222
oct360034
9206534
10122908
1184385
125b164
1343c36
1432b12
152663d
hex1e01c

122908 has 6 divisors (see below), whose sum is σ = 215096. Its totient is φ = 61452.

The previous prime is 122891. The next prime is 122921. The reversal of 122908 is 809221.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15360 + ... + 15367.

2122908 is an apocalyptic number.

It is an amenable number.

122908 is a deficient number, since it is larger than the sum of its proper divisors (92188).

122908 is a wasteful number, since it uses less digits than its factorization.

122908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30731 (or 30729 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 122908 is about 350.5823726316. The cubic root of 122908 is about 49.7194959591.

The spelling of 122908 in words is "one hundred twenty-two thousand, nine hundred eight".

Divisors: 1 2 4 30727 61454 122908