Search a number
-
+
431021068 = 22107755267
BaseRepresentation
bin11001101100001…
…101110000001100
31010001001010202021
4121230031300030
51340320133233
6110434135524
713452422122
oct3154156014
91101033667
10431021068
11201333565
121004215a4
136b3b326a
144135b912
1527c8ee2d
hex19b0dc0c

431021068 has 6 divisors (see below), whose sum is σ = 754286876. Its totient is φ = 215510532.

The previous prime is 431021057. The next prime is 431021083. The reversal of 431021068 is 860120134.

It is a super-2 number, since 2×4310210682 = 371558322119721248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53877630 + ... + 53877637.

Almost surely, 2431021068 is an apocalyptic number.

It is an amenable number.

431021068 is a deficient number, since it is larger than the sum of its proper divisors (323265808).

431021068 is a wasteful number, since it uses less digits than its factorization.

431021068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107755271 (or 107755269 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 431021068 is about 20761.0468907519. The cubic root of 431021068 is about 755.3811901973.

The spelling of 431021068 in words is "four hundred thirty-one million, twenty-one thousand, sixty-eight".

Divisors: 1 2 4 107755267 215510534 431021068