Search a number
-
+
402265201 = 1330943477
BaseRepresentation
bin10111111110100…
…001010001110001
31001000221012010011
4113332201101301
51310434441301
6103525534521
712653124562
oct2776412161
91030835104
10402265201
11197082888
12b2874441
1365455660
143b5d4169
15254aea51
hex17fa1471

402265201 has 4 divisors (see below), whose sum is σ = 433208692. Its totient is φ = 371321712.

The previous prime is 402265187. The next prime is 402265211. The reversal of 402265201 is 102562204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104530176 + 297735025 = 10224^2 + 17255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-402265201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402265211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15471726 + ... + 15471751.

It is an arithmetic number, because the mean of its divisors is an integer number (108302173).

Almost surely, 2402265201 is an apocalyptic number.

It is an amenable number.

402265201 is a deficient number, since it is larger than the sum of its proper divisors (30943491).

402265201 is a wasteful number, since it uses less digits than its factorization.

402265201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30943490.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 402265201 is about 20056.5500772192. The cubic root of 402265201 is about 738.1945278093.

The spelling of 402265201 in words is "four hundred two million, two hundred sixty-five thousand, two hundred one".

Divisors: 1 13 30943477 402265201