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23476489 is a prime number
BaseRepresentation
bin101100110001…
…1100100001001
31122011201200121
41121203210021
522002221424
62155103241
7403355401
oct131434411
948151617
1023476489
1112285263
127a41b21
134b2c91a
143191801
1520daee4
hex1663909

23476489 has 2 divisors, whose sum is σ = 23476490. Its totient is φ = 23476488.

The previous prime is 23476471. The next prime is 23476499. The reversal of 23476489 is 98467432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18636489 + 4840000 = 4317^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 23476489 - 211 = 23474441 is a prime.

It is a super-2 number, since 2×234764892 = 1102291071534242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23476429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11738244 + 11738245.

It is an arithmetic number, because the mean of its divisors is an integer number (11738245).

Almost surely, 223476489 is an apocalyptic number.

It is an amenable number.

23476489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23476489 is an equidigital number, since it uses as much as digits as its factorization.

23476489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 23476489 is about 4845.2542760933. The cubic root of 23476489 is about 286.3371616622.

It can be divided in two parts, 2347 and 6489, that added together give a square (8836 = 942).

The spelling of 23476489 in words is "twenty-three million, four hundred seventy-six thousand, four hundred eighty-nine".