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122419790 = 2512241979
BaseRepresentation
bin1110100101111…
…11101001001110
322112100120101022
413102333221032
5222314413130
620051514142
73014360003
oct722775116
9275316338
10122419790
1163114889
1234bb8952
131c49345c
14123898aa
15ab327e5
hex74bfa4e

122419790 has 8 divisors (see below), whose sum is σ = 220355640. Its totient is φ = 48967912.

The previous prime is 122419783. The next prime is 122419799. The reversal of 122419790 is 97914221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122419790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122419799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120980 + ... + 6120999.

It is an arithmetic number, because the mean of its divisors is an integer number (27544455).

Almost surely, 2122419790 is an apocalyptic number.

122419790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122419790 is a deficient number, since it is larger than the sum of its proper divisors (97935850).

122419790 is a wasteful number, since it uses less digits than its factorization.

122419790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241986.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 122419790 is about 11064.3476988027. The cubic root of 122419790 is about 496.5357737040.

The spelling of 122419790 in words is "one hundred twenty-two million, four hundred nineteen thousand, seven hundred ninety".

Divisors: 1 2 5 10 12241979 24483958 61209895 122419790