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122243403 = 388346147
BaseRepresentation
bin1110100100101…
…00100101001011
322112000121102110
413102110211023
5222243242103
620044033403
73013023522
oct722244513
9275017373
10122243403
1163004307
1234b32863
131c431099
14123414b9
15aaea403
hex749494b

122243403 has 8 divisors (see below), whose sum is σ = 163179328. Its totient is φ = 81401544.

The previous prime is 122243399. The next prime is 122243423. The reversal of 122243403 is 304342221.

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

It is not a de Polignac number, because 122243403 - 22 = 122243399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122243403.

It is not an unprimeable number, because it can be changed into a prime (122243423) 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 7 ways as a sum of consecutive naturals, for example, 20425 + ... + 25722.

It is an arithmetic number, because the mean of its divisors is an integer number (20397416).

Almost surely, 2122243403 is an apocalyptic number.

122243403 is a deficient number, since it is larger than the sum of its proper divisors (40935925).

122243403 is an equidigital number, since it uses as much as digits as its factorization.

122243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47033.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 122243403 is about 11056.3738630710. The cubic root of 122243403 is about 496.2971833223.

Adding to 122243403 its reverse (304342221), we get a palindrome (426585624).

The spelling of 122243403 in words is "one hundred twenty-two million, two hundred forty-three thousand, four hundred three".

Divisors: 1 3 883 2649 46147 138441 40747801 122243403