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122105434 = 21122324889
BaseRepresentation
bin1110100011100…
…10111001011010
322111202121011111
413101302321122
5222224333214
620041050534
73011610343
oct721627132
9274677144
10122105434
1162a1a690
1234a86a4a
131c3b3349
14123070ca
15aabe5c4
hex7472e5a

122105434 has 16 divisors (see below), whose sum is σ = 200712960. Its totient is φ = 55251360.

The previous prime is 122105429. The next prime is 122105437. The reversal of 122105434 is 434501221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (122105437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7539 + ... + 17350.

It is an arithmetic number, because the mean of its divisors is an integer number (12544560).

Almost surely, 2122105434 is an apocalyptic number.

122105434 is a deficient number, since it is larger than the sum of its proper divisors (78607526).

122105434 is a wasteful number, since it uses less digits than its factorization.

122105434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25125.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 122105434 is about 11050.1327593835. The cubic root of 122105434 is about 496.1103991379.

Adding to 122105434 its reverse (434501221), we get a palindrome (556606655).

The spelling of 122105434 in words is "one hundred twenty-two million, one hundred five thousand, four hundred thirty-four".

Divisors: 1 2 11 22 223 446 2453 4906 24889 49778 273779 547558 5550247 11100494 61052717 122105434