Search a number
-
+
1485887069 is a prime number
BaseRepresentation
bin101100010010000…
…1101011001011101
310211112221212212102
41120210031121131
511020341341234
6403235414445
751551555162
oct13044153135
93745855772
101485887069
116a2820a47
12355754425
131a8ac0624
141014ac069
158a6acc7e
hex5890d65d

1485887069 has 2 divisors, whose sum is σ = 1485887070. Its totient is φ = 1485887068.

The previous prime is 1485887021. The next prime is 1485887089. The reversal of 1485887069 is 9607885841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1262025625 + 223861444 = 35525^2 + 14962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485887069 - 28 = 1485886813 is a prime.

It is a super-2 number, since 2×14858870692 = 4415720763642821522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1485887089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742943534 + 742943535.

It is an arithmetic number, because the mean of its divisors is an integer number (742943535).

Almost surely, 21485887069 is an apocalyptic number.

It is an amenable number.

1485887069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485887069 is an equidigital number, since it uses as much as digits as its factorization.

1485887069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The square root of 1485887069 is about 38547.2057223348. The cubic root of 1485887069 is about 1141.1128634634.

The spelling of 1485887069 in words is "one billion, four hundred eighty-five million, eight hundred eighty-seven thousand, sixty-nine".