Search a number
-
+
442533205 = 5175206273
BaseRepresentation
bin11010011000001…
…000010101010101
31010211201000102201
4122120020111111
51401242030310
6111525004501
713652320162
oct3230102525
91124630381
10442533205
11207886824
12104253731
13708b418a
1442ab7069
1528cb5e3a
hex1a608555

442533205 has 8 divisors (see below), whose sum is σ = 562277592. Its totient is φ = 333201408.

The previous prime is 442533193. The next prime is 442533211. The reversal of 442533205 is 502335244.

It can be written as a sum of positive squares in 4 ways, for example, as 68574961 + 373958244 = 8281^2 + 19338^2 .

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 442533205 - 25 = 442533173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603052 + ... + 2603221.

It is an arithmetic number, because the mean of its divisors is an integer number (70284699).

Almost surely, 2442533205 is an apocalyptic number.

It is an amenable number.

442533205 is a deficient number, since it is larger than the sum of its proper divisors (119744387).

442533205 is a wasteful number, since it uses less digits than its factorization.

442533205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206295.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 442533205 is about 21036.4732072655. The cubic root of 442533205 is about 762.0473450604.

Adding to 442533205 its reverse (502335244), we get a palindrome (944868449).

The spelling of 442533205 in words is "four hundred forty-two million, five hundred thirty-three thousand, two hundred five".

Divisors: 1 5 17 85 5206273 26031365 88506641 442533205