Search a number
-
+
961445 = 5375197
BaseRepresentation
bin11101010101110100101
31210211212002
43222232211
5221231240
632335045
711113022
oct3525645
91724762
10961445
115a7391
123a4485
13278804
141b0549
1513ed15
hexeaba5

961445 has 8 divisors (see below), whose sum is σ = 1185144. Its totient is φ = 748224.

The previous prime is 961427. The next prime is 961447. The reversal of 961445 is 544169.

It can be written as a sum of positive squares in 4 ways, for example, as 244036 + 717409 = 494^2 + 847^2 .

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 961445 - 28 = 961189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961447) 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, 2414 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (148143).

2961445 is an apocalyptic number.

It is an amenable number.

961445 is a deficient number, since it is larger than the sum of its proper divisors (223699).

961445 is a wasteful number, since it uses less digits than its factorization.

961445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239.

The product of its digits is 4320, while the sum is 29.

The square root of 961445 is about 980.5330183120. The cubic root of 961445 is about 98.6979536665.

The spelling of 961445 in words is "nine hundred sixty-one thousand, four hundred forty-five".

Divisors: 1 5 37 185 5197 25985 192289 961445