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74101 is a prime number
BaseRepresentation
bin10010000101110101
310202122111
4102011311
54332401
61331021
7426016
oct220565
9122574
1074101
1150745
1236a71
1327961
141d00d
1516e51
hex12175

74101 has 2 divisors, whose sum is σ = 74102. Its totient is φ = 74100.

The previous prime is 74099. The next prime is 74131. The reversal of 74101 is 10147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62001 + 12100 = 249^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 74101 - 21 = 74099 is a prime.

Together with 74099, it forms a pair of twin primes.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

74101 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37050 + 37051.

It is an arithmetic number, because the mean of its divisors is an integer number (37051).

274101 is an apocalyptic number.

It is an amenable number.

74101 is a deficient number, since it is larger than the sum of its proper divisors (1).

74101 is an equidigital number, since it uses as much as digits as its factorization.

74101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 74101 is about 272.2149885660. The cubic root of 74101 is about 42.0024563945.

Subtracting from 74101 its sum of digits (13), we obtain a cube (74088 = 423).

Adding to 74101 its reverse (10147), we get a palindrome (84248).

The spelling of 74101 in words is "seventy-four thousand, one hundred one", and thus it is an iban number.