Search a number
-
+
67431941 is a prime number
BaseRepresentation
bin1000000010011…
…10111000000101
311200212220020022
410001032320011
5114230310231
610405144525
71446106403
oct401167005
9150786208
1067431941
1135077685
121a6bb145
1310c7c975
148d54473
155dbec7b
hex404ee05

67431941 has 2 divisors, whose sum is σ = 67431942. Its totient is φ = 67431940.

The previous prime is 67431841. The next prime is 67431961. The reversal of 67431941 is 14913476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 27867841 = 6290^2 + 5279^2 .

It is a cyclic number.

It is not a de Polignac number, because 67431941 - 226 = 323077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67431961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33715970 + 33715971.

It is an arithmetic number, because the mean of its divisors is an integer number (33715971).

Almost surely, 267431941 is an apocalyptic number.

It is an amenable number.

67431941 is a deficient number, since it is larger than the sum of its proper divisors (1).

67431941 is an equidigital number, since it uses as much as digits as its factorization.

67431941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 67431941 is about 8211.6953791528. The cubic root of 67431941 is about 407.0257516200.

The spelling of 67431941 in words is "sixty-seven million, four hundred thirty-one thousand, nine hundred forty-one".