Search a number
-
+
101622841 is a prime number
BaseRepresentation
bin1100000111010…
…10010000111001
321002012222022221
412003222100321
5202003412331
614030044041
72342531335
oct603522071
9232188287
10101622841
11523aa821
122a049621
1318091378
14d6d47c5
158dc5711
hex60ea439

101622841 has 2 divisors, whose sum is σ = 101622842. Its totient is φ = 101622840.

The previous prime is 101622827. The next prime is 101622877. The reversal of 101622841 is 148226101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95472441 + 6150400 = 9771^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 101622841 - 29 = 101622329 is a prime.

It is a super-2 number, since 2×1016228412 = 20654403625822562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101622541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50811420 + 50811421.

It is an arithmetic number, because the mean of its divisors is an integer number (50811421).

Almost surely, 2101622841 is an apocalyptic number.

It is an amenable number.

101622841 is a deficient number, since it is larger than the sum of its proper divisors (1).

101622841 is an equidigital number, since it uses as much as digits as its factorization.

101622841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 101622841 is about 10080.8154928061. The cubic root of 101622841 is about 466.6562756757.

Adding to 101622841 its reverse (148226101), we get a palindrome (249848942).

The spelling of 101622841 in words is "one hundred one million, six hundred twenty-two thousand, eight hundred forty-one".