Search a number
-
+
123240022 = 261620011
BaseRepresentation
bin1110101100001…
…11111001010110
322120220020112021
413112013321112
5223022140042
620121243354
73024344233
oct726077126
9276806467
10123240022
1163625064
123533355a
131c6bc8b9
141252078a
15ac45867
hex7587e56

123240022 has 4 divisors (see below), whose sum is σ = 184860036. Its totient is φ = 61620010.

The previous prime is 123240011. The next prime is 123240043. The reversal of 123240022 is 220042321.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 123239978 and 123240005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30810004 + ... + 30810007.

It is an arithmetic number, because the mean of its divisors is an integer number (46215009).

Almost surely, 2123240022 is an apocalyptic number.

123240022 is a deficient number, since it is larger than the sum of its proper divisors (61620014).

123240022 is an equidigital number, since it uses as much as digits as its factorization.

123240022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61620013.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 123240022 is about 11101.3522599727. The cubic root of 123240022 is about 497.6422622877.

Adding to 123240022 its reverse (220042321), we get a palindrome (343282343).

The spelling of 123240022 in words is "one hundred twenty-three million, two hundred forty thousand, twenty-two".

Divisors: 1 2 61620011 123240022