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122169485 = 524433897
BaseRepresentation
bin1110100100000…
…10100010001101
322111212212000202
413102002202031
5222233410420
620042303245
73012265154
oct722024215
9274785022
10122169485
1162a63819
1234ab7b25
131c406549
141232259b
15aad3575
hex748288d

122169485 has 4 divisors (see below), whose sum is σ = 146603388. Its totient is φ = 97735584.

The previous prime is 122169479. The next prime is 122169511. The reversal of 122169485 is 584961221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43705321 + 78464164 = 6611^2 + 8858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122169485 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12216944 + ... + 12216953.

It is an arithmetic number, because the mean of its divisors is an integer number (36650847).

Almost surely, 2122169485 is an apocalyptic number.

It is an amenable number.

122169485 is a deficient number, since it is larger than the sum of its proper divisors (24433903).

122169485 is an equidigital number, since it uses as much as digits as its factorization.

122169485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24433902.

The product of its digits is 34560, while the sum is 38.

The square root of 122169485 is about 11053.0305798907. The cubic root of 122169485 is about 496.1971296833.

The spelling of 122169485 in words is "one hundred twenty-two million, one hundred sixty-nine thousand, four hundred eighty-five".

Divisors: 1 5 24433897 122169485