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123242022 = 23249913721
BaseRepresentation
bin1110101100010…
…00011000100110
322120220100021100
413112020120212
5223022221042
620121300530
73024353121
oct726103046
9276810240
10123242022
1163626612
1235334746
131c6c0797
14125213b8
15ac4624c
hex7588626

123242022 has 24 divisors (see below), whose sum is σ = 267579000. Its totient is φ = 40995360.

The previous prime is 123242003. The next prime is 123242033. The reversal of 123242022 is 220242321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123241986 and 123242004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122 + ... + 15842.

It is an arithmetic number, because the mean of its divisors is an integer number (11149125).

Almost surely, 2123242022 is an apocalyptic number.

123242022 is an abundant number, since it is smaller than the sum of its proper divisors (144336978).

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

123242022 is a wasteful number, since it uses less digits than its factorization.

123242022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228 (or 14225 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 123242022 is about 11101.4423387234. The cubic root of 123242022 is about 497.6449542681.

Adding to 123242022 its reverse (220242321), we get a palindrome (343484343).

The spelling of 123242022 in words is "one hundred twenty-three million, two hundred forty-two thousand, twenty-two".

Divisors: 1 2 3 6 9 18 499 998 1497 2994 4491 8982 13721 27442 41163 82326 123489 246978 6846779 13693558 20540337 41080674 61621011 123242022