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402265 = 5431871
BaseRepresentation
bin1100010001101011001
3202102210201
41202031121
5100333030
612342201
73263533
oct1421531
9672721
10402265
11255256
12174961
13111136
14a6853
157e2ca
hex62359

402265 has 8 divisors (see below), whose sum is σ = 494208. Its totient is φ = 314160.

The previous prime is 402263. The next prime is 402277. The reversal of 402265 is 562204.

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

It is not a de Polignac number, because 402265 - 21 = 402263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2402265 is an apocalyptic number.

It is an amenable number.

402265 is a deficient number, since it is larger than the sum of its proper divisors (91943).

402265 is a wasteful number, since it uses less digits than its factorization.

402265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 402265 is about 634.2436440359. The cubic root of 402265 is about 73.8194404858.

Adding to 402265 its reverse (562204), we get a palindrome (964469).

The spelling of 402265 in words is "four hundred two thousand, two hundred sixty-five".

Divisors: 1 5 43 215 1871 9355 80453 402265