Search a number
-
+
465838421 is a prime number
BaseRepresentation
bin11011110001000…
…010000101010101
31012110120001011212
4123301002011111
51423223312141
6114120311205
714354363336
oct3361020525
91173501155
10465838421
11219a54334
12110012505
1375683b49
1445c2228d
152ad6b2eb
hex1bc42155

465838421 has 2 divisors, whose sum is σ = 465838422. Its totient is φ = 465838420.

The previous prime is 465838411. The next prime is 465838427. The reversal of 465838421 is 124838564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360468196 + 105370225 = 18986^2 + 10265^2 .

It is a cyclic number.

It is not a de Polignac number, because 465838421 - 26 = 465838357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465838427) by changing a digit.

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, 232919210 + 232919211.

It is an arithmetic number, because the mean of its divisors is an integer number (232919211).

Almost surely, 2465838421 is an apocalyptic number.

It is an amenable number.

465838421 is a deficient number, since it is larger than the sum of its proper divisors (1).

465838421 is an equidigital number, since it uses as much as digits as its factorization.

465838421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 41.

The square root of 465838421 is about 21583.2903191335. The cubic root of 465838421 is about 775.1964377528.

The spelling of 465838421 in words is "four hundred sixty-five million, eight hundred thirty-eight thousand, four hundred twenty-one".