[go: up one dir, main page]

Search a number
-
+
252541349 is a prime number
BaseRepresentation
bin11110000110101…
…11100110100101
3122121012102121022
433003113212211
51004122310344
641020500525
76154365104
oct1703274645
9577172538
10252541349
1111a60a065
12706aa745
1340422368
142577c03b
15172870ee
hexf0d79a5

252541349 has 2 divisors, whose sum is σ = 252541350. Its totient is φ = 252541348.

The previous prime is 252541319. The next prime is 252541351. The reversal of 252541349 is 943145252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178890625 + 73650724 = 13375^2 + 8582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252541349 is a prime.

Together with 252541351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252541319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126270674 + 126270675.

It is an arithmetic number, because the mean of its divisors is an integer number (126270675).

Almost surely, 2252541349 is an apocalyptic number.

It is an amenable number.

252541349 is a deficient number, since it is larger than the sum of its proper divisors (1).

252541349 is an equidigital number, since it uses as much as digits as its factorization.

252541349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 252541349 is about 15891.5496097769. The cubic root of 252541349 is about 632.0879319048.

The spelling of 252541349 in words is "two hundred fifty-two million, five hundred forty-one thousand, three hundred forty-nine".