Search a number
-
+
42119369 is a prime number
BaseRepresentation
bin1010000010101…
…1000011001001
32221020212220122
42200223003021
541240304434
64102433025
71021002665
oct240530311
987225818
1042119369
11218589a6
1212132775
138959406
1458458a5
153a6ec2e
hex282b0c9

42119369 has 2 divisors, whose sum is σ = 42119370. Its totient is φ = 42119368.

The previous prime is 42119351. The next prime is 42119381. The reversal of 42119369 is 96391124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 1923769 = 6340^2 + 1387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42119369 is a prime.

It is a super-2 number, since 2×421193692 = 3548082489916322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42119309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21059684 + 21059685.

It is an arithmetic number, because the mean of its divisors is an integer number (21059685).

Almost surely, 242119369 is an apocalyptic number.

It is an amenable number.

42119369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42119369 is an equidigital number, since it uses as much as digits as its factorization.

42119369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 42119369 is about 6489.9436823442. The cubic root of 42119369 is about 347.9316623861.

The spelling of 42119369 in words is "forty-two million, one hundred nineteen thousand, three hundred sixty-nine".