Search a number
BaseRepresentation
bin1001011000000000001
3120121101211
41023000001
534312301
610330121
72416426
oct1130001
9517354
10307201
1119a894
12129941
13a9a9b
147dd4d
1561051
hex4b001

307201 has 2 divisors, whose sum is σ = 307202. Its totient is φ = 307200.

The previous prime is 307189. The next prime is 307243. The reversal of 307201 is 102703.

Adding to 307201 its reverse (102703), we get a palindrome (409904).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 3600 = 551^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 307201 - 25 = 307169 is a prime.

It is not a weakly prime, because it can be changed into another prime (307261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153600 + 153601.

It is an arithmetic number, because the mean of its divisors is an integer number (153601).

It is a Proth number, since it is equal to 75 ⋅ 212 + 1 and 75 < 212.

2307201 is an apocalyptic number.

It is an amenable number.

307201 is a deficient number, since it is larger than the sum of its proper divisors (1).

307201 is an equidigital number, since it uses as much as digits as its factorization.

307201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 307201 is about 554.2571605311. The cubic root of 307201 is about 67.4746864387.

The spelling of 307201 in words is "three hundred seven thousand, two hundred one", and thus it is an iban number.