Search a number
BaseRepresentation
bin111110010001001010010
310211122220110
413302021102
51010243102
6111422150
723225460
oct7621122
93748813
102040402
111173a91
12824956
13565950
143b1830
152a486c
hex1f2252

2040402 has 64 divisors (see below), whose sum is σ = 5209344. Its totient is φ = 518400.

The previous prime is 2040377. The next prime is 2040403.

2040402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2040403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20152 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (81396).

22040402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604672).

2040402 is an abundant number, since it is smaller than the sum of its proper divisors (3168942).

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

2040402 is a wasteful number, since it uses less digits than its factorization.

2040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2040402 is about 1428.4264069248. The cubic root of 2040402 is about 126.8348443218.

It can be divided in two parts, 2040 and 402, that added together give a palindrome (2442).

The spelling of 2040402 in words is "two million, forty thousand, four hundred two".