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123030022 = 2433142067
BaseRepresentation
bin1110101010101…
…00101000000110
322120111120110111
413111110220012
5222443430042
620112543234
73022511053
oct725245006
9276446414
10123030022
11634a1305
1235251b1a
131c64813b
14124a802a
15ac03517
hex7554a06

123030022 has 8 divisors (see below), whose sum is σ = 184972536. Its totient is φ = 61372512.

The previous prime is 123029999. The next prime is 123030029. The reversal of 123030022 is 220030321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 123029984 and 123030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70168 + ... + 71899.

It is an arithmetic number, because the mean of its divisors is an integer number (23121567).

Almost surely, 2123030022 is an apocalyptic number.

123030022 is a deficient number, since it is larger than the sum of its proper divisors (61942514).

123030022 is a wasteful number, since it uses less digits than its factorization.

123030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142502.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 123030022 is about 11091.8899201173. The cubic root of 123030022 is about 497.3594421234.

Adding to 123030022 its reverse (220030321), we get a palindrome (343060343).

The spelling of 123030022 in words is "one hundred twenty-three million, thirty thousand, twenty-two".

Divisors: 1 2 433 866 142067 284134 61515011 123030022