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122243030 = 25713134333
BaseRepresentation
bin1110100100101…
…00011111010110
322112000120220122
413102110133112
5222243234110
620044031542
73013022450
oct722243726
9275016818
10122243030
1163003aa8
1234b325b2
131c430b70
14123412d0
15aaea255
hex74947d6

122243030 has 32 divisors (see below), whose sum is σ = 270817344. Its totient is φ = 38687616.

The previous prime is 122243021. The next prime is 122243057. The reversal of 122243030 is 30342221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66257 + ... + 68076.

It is an arithmetic number, because the mean of its divisors is an integer number (8463042).

Almost surely, 2122243030 is an apocalyptic number.

122243030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122243030 is an abundant number, since it is smaller than the sum of its proper divisors (148574314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122243030 is a wasteful number, since it uses less digits than its factorization.

122243030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134360.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 122243030 is about 11056.3569949600. The cubic root of 122243030 is about 496.2966785397.

Adding to 122243030 its reverse (30342221), we get a palindrome (152585251).

The spelling of 122243030 in words is "one hundred twenty-two million, two hundred forty-three thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 134333 268666 671665 940331 1343330 1746329 1880662 3492658 4701655 8731645 9403310 12224303 17463290 24448606 61121515 122243030