Search a number
-
+
445121351 = 11335311159
BaseRepresentation
bin11010100010000…
…000001101000111
31011000120111200222
4122202000031013
51402422340401
6112100254555
714013316613
oct3242001507
91130514628
10445121351
11209294294
121050a145b
13712ac21c
144318c343
1529127c1b
hex1a880347

445121351 has 8 divisors (see below), whose sum is σ = 450372960. Its totient is φ = 439892992.

The previous prime is 445121333. The next prime is 445121371. The reversal of 445121351 is 153121544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-445121351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445121351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445121371) by changing a digit.

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, 34310 + ... + 45468.

It is an arithmetic number, because the mean of its divisors is an integer number (56296620).

Almost surely, 2445121351 is an apocalyptic number.

445121351 is a deficient number, since it is larger than the sum of its proper divisors (5251609).

445121351 is a wasteful number, since it uses less digits than its factorization.

445121351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625.

The product of its digits is 2400, while the sum is 26.

The square root of 445121351 is about 21097.8992082150. The cubic root of 445121351 is about 763.5300641311.

Adding to 445121351 its reverse (153121544), we get a palindrome (598242895).

The spelling of 445121351 in words is "four hundred forty-five million, one hundred twenty-one thousand, three hundred fifty-one".

Divisors: 1 113 353 11159 39889 1260967 3939127 445121351