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69424049 is a prime number
BaseRepresentation
bin1000010001101…
…01001110110001
311211122002220002
410020311032301
5120233032144
610515555345
71502044322
oct410651661
9154562802
1069424049
1136208352
121b2bbb55
13114c9626
149312449
15616514e
hex42353b1

69424049 has 2 divisors, whose sum is σ = 69424050. Its totient is φ = 69424048.

The previous prime is 69424031. The next prime is 69424087. The reversal of 69424049 is 94042496.

It is an a-pointer prime, because the next prime (69424087) can be obtained adding 69424049 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 13653025 = 7468^2 + 3695^2 .

It is a cyclic number.

It is not a de Polignac number, because 69424049 - 224 = 52646833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69424349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34712024 + 34712025.

It is an arithmetic number, because the mean of its divisors is an integer number (34712025).

Almost surely, 269424049 is an apocalyptic number.

It is an amenable number.

69424049 is a deficient number, since it is larger than the sum of its proper divisors (1).

69424049 is an equidigital number, since it uses as much as digits as its factorization.

69424049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 69424049 is about 8332.1095168031. The cubic root of 69424049 is about 410.9951021886.

The spelling of 69424049 in words is "sixty-nine million, four hundred twenty-four thousand, forty-nine".