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2401404 = 223200117
BaseRepresentation
bin1001001010010001111100
311112000002220
421022101330
51103321104
6123245340
726261115
oct11122174
94460086
102401404
1113a0235
12979850
13661065
1446720c
153267d9
hex24a47c

2401404 has 12 divisors (see below), whose sum is σ = 5603304. Its totient is φ = 800464.

The previous prime is 2401393. The next prime is 2401409. The reversal of 2401404 is 4041042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401409) 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, 100047 + ... + 100070.

It is an arithmetic number, because the mean of its divisors is an integer number (466942).

22401404 is an apocalyptic number.

It is an amenable number.

2401404 is an abundant number, since it is smaller than the sum of its proper divisors (3201900).

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

2401404 is a wasteful number, since it uses less digits than its factorization.

2401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200124 (or 200122 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2401404 is about 1549.6464112823. The cubic root of 2401404 is about 133.9126928121.

Adding to 2401404 its reverse (4041042), we get a palindrome (6442446).

The spelling of 2401404 in words is "two million, four hundred one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 200117 400234 600351 800468 1200702 2401404