Search a number
-
+
73760161 = 1719322481
BaseRepresentation
bin1000110010101…
…11110110100001
312010210101220211
410121113312201
5122340311121
611152534121
71553644126
oct431276641
9163711824
1073760161
11386aa112
1220851341
1312387187
149b2074d
15671ece1
hex4657da1

73760161 has 8 divisors (see below), whose sum is σ = 78507144. Its totient is φ = 69058560.

The previous prime is 73760143. The next prime is 73760171. The reversal of 73760161 is 16106737.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 72846225 = 956^2 + 8535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73760161 - 217 = 73629089 is a prime.

It is a super-2 number, since 2×737601612 = 10881122701491842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73760101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7960 + ... + 14521.

It is an arithmetic number, because the mean of its divisors is an integer number (9813393).

Almost surely, 273760161 is an apocalyptic number.

It is an amenable number.

73760161 is a deficient number, since it is larger than the sum of its proper divisors (4746983).

73760161 is a wasteful number, since it uses less digits than its factorization.

73760161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22691.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 73760161 is about 8588.3735945754. The cubic root of 73760161 is about 419.3795847426.

Adding to 73760161 its reverse (16106737), we get a palindrome (89866898).

The spelling of 73760161 in words is "seventy-three million, seven hundred sixty thousand, one hundred sixty-one".

Divisors: 1 17 193 3281 22481 382177 4338833 73760161