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122405414 = 2186132887
BaseRepresentation
bin1110100101111…
…00001000100110
322112022211122212
413102330020212
5222313433124
620051323422
73014300045
oct722741046
9275284585
10122405414
1163104aaa
1234bb0572
131c489a51
141238455c
15ab2d40e
hex74bc226

122405414 has 8 divisors (see below), whose sum is σ = 183712368. Its totient is φ = 61167960.

The previous prime is 122405407. The next prime is 122405417. The reversal of 122405414 is 414504221.

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

It is a super-2 number, since 2×1224054142 = 29966170753022792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122405414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122405417) 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 3 ways as a sum of consecutive naturals, for example, 12722 + ... + 20165.

It is an arithmetic number, because the mean of its divisors is an integer number (22964046).

Almost surely, 2122405414 is an apocalyptic number.

122405414 is a deficient number, since it is larger than the sum of its proper divisors (61306954).

122405414 is a wasteful number, since it uses less digits than its factorization.

122405414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34750.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 122405414 is about 11063.6980255247. The cubic root of 122405414 is about 496.5163365478.

Adding to 122405414 its reverse (414504221), we get a palindrome (536909635).

The spelling of 122405414 in words is "one hundred twenty-two million, four hundred five thousand, four hundred fourteen".

Divisors: 1 2 1861 3722 32887 65774 61202707 122405414