Search a number
-
+
1008030845 = 51914477333
BaseRepresentation
bin111100000101010…
…101010001111101
32121020210021100202
4330011111101331
54031023441340
6244005333245
733660056303
oct7405252175
92536707322
101008030845
11478009548
12241707225
13130abc673
1497c3c273
155d76ac15
hex3c15547d

1008030845 has 16 divisors (see below), whose sum is σ = 1274355840. Its totient is φ = 763349184.

The previous prime is 1008030839. The next prime is 1008030847. The reversal of 1008030845 is 5480308001.

It is a cyclic number.

It is not a de Polignac number, because 1008030845 - 26 = 1008030781 is a prime.

It is a super-2 number, since 2×10080308452 = 2032252368942828050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008030847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133799 + ... + 141131.

It is an arithmetic number, because the mean of its divisors is an integer number (79647240).

Almost surely, 21008030845 is an apocalyptic number.

It is an amenable number.

1008030845 is a deficient number, since it is larger than the sum of its proper divisors (266324995).

1008030845 is a wasteful number, since it uses less digits than its factorization.

1008030845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1008030845 is about 31749.5014921494. The cubic root of 1008030845 is about 1002.6698140827.

Adding to 1008030845 its reverse (5480308001), we get a palindrome (6488338846).

The spelling of 1008030845 in words is "one billion, eight million, thirty thousand, eight hundred forty-five".

Divisors: 1 5 19 95 1447 7235 7333 27493 36665 137465 139327 696635 10610851 53054255 201606169 1008030845