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23427402 = 2319731979
BaseRepresentation
bin101100101011…
…1100101001010
31122002020100120
41121113211022
521444134102
62154044110
7403062315
oct131274512
948066316
1023427402
1112251399
127a19636
134b1348b
14317b97c
1520cb6bc
hex165794a

23427402 has 16 divisors (see below), whose sum is σ = 46902240. Its totient is φ = 7801232.

The previous prime is 23427347. The next prime is 23427403. The reversal of 23427402 is 20472432.

It is not an unprimeable number, because it can be changed into a prime (23427403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10849 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (2931390).

Almost surely, 223427402 is an apocalyptic number.

23427402 is an abundant number, since it is smaller than the sum of its proper divisors (23474838).

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

23427402 is a wasteful number, since it uses less digits than its factorization.

23427402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 23427402 is about 4840.1861534449. The cubic root of 23427402 is about 286.1374549142.

Adding to 23427402 its reverse (20472432), we get a palindrome (43899834).

The spelling of 23427402 in words is "twenty-three million, four hundred twenty-seven thousand, four hundred two".

Divisors: 1 2 3 6 1973 1979 3946 3958 5919 5937 11838 11874 3904567 7809134 11713701 23427402