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122430045 = 35151191283
BaseRepresentation
bin1110100110000…
…10001001011101
322112101002110010
413103002021131
5222320230140
620052033433
73014431623
oct723021135
9275332403
10122430045
1163121561
1235002879
131c49801a
141238d513
15ab35880
hex74c225d

122430045 has 32 divisors (see below), whose sum is σ = 198918144. Its totient is φ = 64296000.

The previous prime is 122430043. The next prime is 122430109. The reversal of 122430045 is 540034221.

It is not a de Polignac number, because 122430045 - 21 = 122430043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122430043) 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 31 ways as a sum of consecutive naturals, for example, 432474 + ... + 432756.

It is an arithmetic number, because the mean of its divisors is an integer number (6216192).

Almost surely, 2122430045 is an apocalyptic number.

122430045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122430045 is a deficient number, since it is larger than the sum of its proper divisors (76488099).

122430045 is a wasteful number, since it uses less digits than its factorization.

122430045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122430045 is about 11064.8111145198. The cubic root of 122430045 is about 496.5496381077.

Adding to 122430045 its reverse (540034221), we get a palindrome (662464266).

The spelling of 122430045 in words is "one hundred twenty-two million, four hundred thirty thousand, forty-five".

Divisors: 1 3 5 15 151 191 283 453 573 755 849 955 1415 2265 2865 4245 28841 42733 54053 86523 128199 144205 162159 213665 270265 432615 640995 810795 8162003 24486009 40810015 122430045