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122250053 = 151809603
BaseRepresentation
bin1110100100101…
…10001101000101
322112000221112202
413102112031011
5222244000203
620044124245
73013052102
oct722261505
9275027482
10122250053
1163009302
1234b36685
131c434113
1412343aa9
15aaec388
hex7496345

122250053 has 4 divisors (see below), whose sum is σ = 123059808. Its totient is φ = 121440300.

The previous prime is 122250041. The next prime is 122250061. The reversal of 122250053 is 350052221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122250053 - 28 = 122249797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122250013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 404651 + ... + 404952.

It is an arithmetic number, because the mean of its divisors is an integer number (30764952).

Almost surely, 2122250053 is an apocalyptic number.

It is an amenable number.

122250053 is a deficient number, since it is larger than the sum of its proper divisors (809755).

122250053 is an equidigital number, since it uses as much as digits as its factorization.

122250053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809754.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 122250053 is about 11056.6745904906. The cubic root of 122250053 is about 496.3061826257.

The spelling of 122250053 in words is "one hundred twenty-two million, two hundred fifty thousand, fifty-three".

Divisors: 1 151 809603 122250053