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23427029 is a prime number
BaseRepresentation
bin101100101011…
…1011111010101
31122002012211202
41121113133111
521444131104
62154042245
7403061243
oct131273725
948065752
1023427029
111225108a
127a19385
134b13262
14317b793
1520cb51e
hex16577d5

23427029 has 2 divisors, whose sum is σ = 23427030. Its totient is φ = 23427028.

The previous prime is 23427017. The next prime is 23427049. The reversal of 23427029 is 92072432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17556100 + 5870929 = 4190^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 23427029 - 24 = 23427013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23426992 and 23427010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23427049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11713514 + 11713515.

It is an arithmetic number, because the mean of its divisors is an integer number (11713515).

Almost surely, 223427029 is an apocalyptic number.

It is an amenable number.

23427029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23427029 is an equidigital number, since it uses as much as digits as its factorization.

23427029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 23427029 is about 4840.1476217157. The cubic root of 23427029 is about 286.1359363244.

The spelling of 23427029 in words is "twenty-three million, four hundred twenty-seven thousand, twenty-nine".