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122243530 = 25191733719
BaseRepresentation
bin1110100100101…
…00100111001010
322112000121121011
413102110213022
5222243243110
620044034134
73013024063
oct722244712
9275017534
10122243530
1163004412
1234b3294a
131c431166
141234156a
15aaea48a
hex74949ca

122243530 has 32 divisors (see below), whose sum is σ = 233020800. Its totient is φ = 46043712.

The previous prime is 122243519. The next prime is 122243543. The reversal of 122243530 is 35342221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31011 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (7281900).

Almost surely, 2122243530 is an apocalyptic number.

122243530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122243530 is a deficient number, since it is larger than the sum of its proper divisors (110777270).

122243530 is a wasteful number, since it uses less digits than its factorization.

122243530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 122243530 is about 11056.3796063630. The cubic root of 122243530 is about 496.2973551918.

Adding to 122243530 its reverse (35342221), we get a palindrome (157585751).

The spelling of 122243530 in words is "one hundred twenty-two million, two hundred forty-three thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 95 173 190 346 865 1730 3287 3719 6574 7438 16435 18595 32870 37190 70661 141322 353305 643387 706610 1286774 3216935 6433870 12224353 24448706 61121765 122243530