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401802 = 23167401
BaseRepresentation
bin1100010000110001010
3202102011120
41202012022
5100324202
612340110
73262302
oct1420612
9672146
10401802
11254975
12174636
13110b6b
14a6602
157e0bc
hex6218a

401802 has 16 divisors (see below), whose sum is σ = 810432. Its totient is φ = 132800.

The previous prime is 401773. The next prime is 401809. The reversal of 401802 is 208104.

401802 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4018022 = 322889694408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802 + ... + 1202.

It is an arithmetic number, because the mean of its divisors is an integer number (50652).

2401802 is an apocalyptic number.

401802 is an abundant number, since it is smaller than the sum of its proper divisors (408630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401802 is a wasteful number, since it uses less digits than its factorization.

401802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 401802 is about 633.8785372609. The cubic root of 401802 is about 73.7911079834.

Adding to 401802 its reverse (208104), we get a palindrome (609906).

The spelling of 401802 in words is "four hundred one thousand, eight hundred two".

Divisors: 1 2 3 6 167 334 401 501 802 1002 1203 2406 66967 133934 200901 401802