Search a number
-
+
70204523 is a prime number
BaseRepresentation
bin1000010111100…
…11110001101011
311220002202111112
410023303301223
5120433021043
610544420535
71511504624
oct413636153
9156082445
1070204523
11366a0774
121b61774b
131171094c
149476a4b
15626b518
hex42f3c6b

70204523 has 2 divisors, whose sum is σ = 70204524. Its totient is φ = 70204522.

The previous prime is 70204501. The next prime is 70204529. The reversal of 70204523 is 32540207.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70204523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70204529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35102261 + 35102262.

It is an arithmetic number, because the mean of its divisors is an integer number (35102262).

Almost surely, 270204523 is an apocalyptic number.

70204523 is a deficient number, since it is larger than the sum of its proper divisors (1).

70204523 is an equidigital number, since it uses as much as digits as its factorization.

70204523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 70204523 is about 8378.8139375451. The cubic root of 70204523 is about 412.5295195281.

The spelling of 70204523 in words is "seventy million, two hundred four thousand, five hundred twenty-three".