Search a number
-
+
1060040389 = 1762355317
BaseRepresentation
bin111111001011101…
…110111011000101
32201212122122001011
4333023232323011
54132332243024
6253104202221
735161123522
oct7713567305
92655578034
101060040389
114a4402041
12257009371
1313b7cc645
14a0ada149
15630e1094
hex3f2eeec5

1060040389 has 4 divisors (see below), whose sum is σ = 1122395724. Its totient is φ = 997685056.

The previous prime is 1060040383. The next prime is 1060040441. The reversal of 1060040389 is 9830400601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9830400601 = 71404342943.

It can be written as a sum of positive squares in 2 ways, for example, as 960380100 + 99660289 = 30990^2 + 9983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1060040389 is a prime.

It is a super-2 number, since 2×10600403892 = 2247371252622542642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1060040389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1060040383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31177642 + ... + 31177675.

It is an arithmetic number, because the mean of its divisors is an integer number (280598931).

Almost surely, 21060040389 is an apocalyptic number.

It is an amenable number.

1060040389 is a deficient number, since it is larger than the sum of its proper divisors (62355335).

1060040389 is an equidigital number, since it uses as much as digits as its factorization.

1060040389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62355334.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1060040389 is about 32558.2614554279. The cubic root of 1060040389 is about 1019.6257723025.

The spelling of 1060040389 in words is "one billion, sixty million, forty thousand, three hundred eighty-nine".

Divisors: 1 17 62355317 1060040389