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2430140 = 225121507
BaseRepresentation
bin1001010001010010111100
311120110112012
421101102330
51110231030
6124030352
726440646
oct11212274
94513465
102430140
11140a889
129923b8
1367116b
14473896
15330095
hex2514bc

2430140 has 12 divisors (see below), whose sum is σ = 5103336. Its totient is φ = 972048.

The previous prime is 2430139. The next prime is 2430149. The reversal of 2430140 is 410342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430149) 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, 60734 + ... + 60773.

It is an arithmetic number, because the mean of its divisors is an integer number (425278).

22430140 is an apocalyptic number.

2430140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2430140 is an abundant number, since it is smaller than the sum of its proper divisors (2673196).

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

2430140 is a wasteful number, since it uses less digits than its factorization.

2430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121516 (or 121514 counting only the distinct ones).

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

The square root of 2430140 is about 1558.8906311862. The cubic root of 2430140 is about 134.4447242264. Note that the first 3 decimals are identical.

Adding to 2430140 its reverse (410342), we get a palindrome (2840482).

The spelling of 2430140 in words is "two million, four hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 121507 243014 486028 607535 1215070 2430140