Search a number
-
+
406313242 = 2203156621
BaseRepresentation
bin11000001101111…
…101100100011010
31001022112211222121
4120031331210122
51313004010432
6104152411454
713032414466
oct3015754432
91038484877
10406313242
11199398175
12b40a6b8a
136624204a
143bd694a6
1525a0e197
hex1837d91a

406313242 has 4 divisors (see below), whose sum is σ = 609469866. Its totient is φ = 203156620.

The previous prime is 406313207. The next prime is 406313251. The reversal of 406313242 is 242313604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 338596801 + 67716441 = 18401^2 + 8229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101578309 + ... + 101578312.

Almost surely, 2406313242 is an apocalyptic number.

406313242 is a deficient number, since it is larger than the sum of its proper divisors (203156624).

406313242 is a wasteful number, since it uses less digits than its factorization.

406313242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203156623.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 406313242 is about 20157.2131506317. The cubic root of 406313242 is about 740.6624467337.

Adding to 406313242 its reverse (242313604), we get a palindrome (648626846).

The spelling of 406313242 in words is "four hundred six million, three hundred thirteen thousand, two hundred forty-two".

Divisors: 1 2 203156621 406313242