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122690375 = 53981523
BaseRepresentation
bin1110101000000…
…01101101000111
322112212022112222
413110001231013
5222402043000
620101402555
73016564613
oct724015507
9275768488
10122690375
116328a105
123510945b
131c559672
141241a343
15ab87a85
hex7501b47

122690375 has 8 divisors (see below), whose sum is σ = 153117744. Its totient is φ = 98152200.

The previous prime is 122690357. The next prime is 122690413. The reversal of 122690375 is 573096221.

It is not a de Polignac number, because 122690375 - 26 = 122690311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490637 + ... + 490886.

It is an arithmetic number, because the mean of its divisors is an integer number (19139718).

Almost surely, 2122690375 is an apocalyptic number.

122690375 is a deficient number, since it is larger than the sum of its proper divisors (30427369).

122690375 is an frugal number, since it uses more digits than its factorization.

122690375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981538 (or 981528 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 122690375 is about 11076.5687376552. The cubic root of 122690375 is about 496.9013362357.

The spelling of 122690375 in words is "one hundred twenty-two million, six hundred ninety thousand, three hundred seventy-five".

Divisors: 1 5 25 125 981523 4907615 24538075 122690375