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2450540 = 225122527
BaseRepresentation
bin1001010110010001101100
311121111111202
421112101230
51111404130
6124305032
726554301
oct11262154
94544452
102450540
111424144
129a2178
1367a531
1447b0a8
15336145
hex25646c

2450540 has 12 divisors (see below), whose sum is σ = 5146176. Its totient is φ = 980208.

The previous prime is 2450531. The next prime is 2450549. The reversal of 2450540 is 450542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2450531) and next prime (2450549).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 122527 = 2450540 / (2 + 4 + 5 + 0 + 5 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (2450549) 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, 61244 + ... + 61283.

It is an arithmetic number, because the mean of its divisors is an integer number (428848).

22450540 is an apocalyptic number.

2450540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450540 is an abundant number, since it is smaller than the sum of its proper divisors (2695636).

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

2450540 is a wasteful number, since it uses less digits than its factorization.

2450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122536 (or 122534 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2450540 is about 1565.4200714185. The cubic root of 2450540 is about 134.8198786675.

The spelling of 2450540 in words is "two million, four hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 122527 245054 490108 612635 1225270 2450540