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122544132 = 22310212011
BaseRepresentation
bin1110100110111…
…10000000000100
322112120212221120
413103132000010
5222332403012
620054313540
73015415344
oct723360004
9275525846
10122544132
116319a247
12350588b0
131c507c29
14123bcd24
15ab5958c
hex74de004

122544132 has 12 divisors (see below), whose sum is σ = 285936336. Its totient is φ = 40848040.

The previous prime is 122544131. The next prime is 122544137. The reversal of 122544132 is 231445221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (122544131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105994 + ... + 5106017.

It is an arithmetic number, because the mean of its divisors is an integer number (23828028).

Almost surely, 2122544132 is an apocalyptic number.

122544132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122544132 is an abundant number, since it is smaller than the sum of its proper divisors (163392204).

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

122544132 is a wasteful number, since it uses less digits than its factorization.

122544132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212018 (or 10212016 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 122544132 is about 11069.9653115988. The cubic root of 122544132 is about 496.7038275775.

Adding to 122544132 its reverse (231445221), we get a palindrome (353989353).

The spelling of 122544132 in words is "one hundred twenty-two million, five hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 10212011 20424022 30636033 40848044 61272066 122544132