Search a number
-
+
3161245 = 55631123
BaseRepresentation
bin1100000011110010011101
312221121102011
430003302131
51302124440
6151431221
735604313
oct14036235
95847364
103161245
11186a0aa
121085511
13868b79
145c40b3
154269ea
hex303c9d

3161245 has 8 divisors (see below), whose sum is σ = 3803616. Its totient is φ = 2522256.

The previous prime is 3161237. The next prime is 3161273. The reversal of 3161245 is 5421613.

3161245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3161245 - 23 = 3161237 is a prime.

It is a Duffinian number.

3161245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (475452).

Almost surely, 23161245 is an apocalyptic number.

It is an amenable number.

3161245 is a deficient number, since it is larger than the sum of its proper divisors (642371).

3161245 is a wasteful number, since it uses less digits than its factorization.

3161245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 720, while the sum is 22.

The square root of 3161245 is about 1777.9890325871. The cubic root of 3161245 is about 146.7639477430.

Adding to 3161245 its reverse (5421613), we get a palindrome (8582858).

The spelling of 3161245 in words is "three million, one hundred sixty-one thousand, two hundred forty-five".

Divisors: 1 5 563 1123 2815 5615 632249 3161245