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2403140 = 225120157
BaseRepresentation
bin1001001010101101000100
311112002111012
421022231010
51103400030
6123301352
726266145
oct11125504
94462435
102403140
1113a1573
1297a858
13661a9c
14467acc
15327095
hex24ab44

2403140 has 12 divisors (see below), whose sum is σ = 5046636. Its totient is φ = 961248.

The previous prime is 2403131. The next prime is 2403161. The reversal of 2403140 is 413042.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 602176 = 1342^2 + 776^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60059 + ... + 60098.

It is an arithmetic number, because the mean of its divisors is an integer number (420553).

22403140 is an apocalyptic number.

2403140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403140 is an abundant number, since it is smaller than the sum of its proper divisors (2643496).

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

2403140 is a wasteful number, since it uses less digits than its factorization.

2403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120166 (or 120164 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2403140 is about 1550.2064378656. The cubic root of 2403140 is about 133.9449540002.

Adding to 2403140 its reverse (413042), we get a palindrome (2816182).

The spelling of 2403140 in words is "two million, four hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 120157 240314 480628 600785 1201570 2403140