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2475240 = 233520627
BaseRepresentation
bin1001011100010011101000
311122202101120
421130103220
51113201430
6125015240
730016305
oct11342350
94582346
102475240
111440759
129b4520
13688851
144860ac
1533d610
hex25c4e8

2475240 has 32 divisors (see below), whose sum is σ = 7426080. Its totient is φ = 660032.

The previous prime is 2475229. The next prime is 2475247. The reversal of 2475240 is 425742.

It is a super-2 number, since 2×24752402 = 12253626115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2475240.

It is not an unprimeable number, because it can be changed into a prime (2475247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10194 + ... + 10433.

It is an arithmetic number, because the mean of its divisors is an integer number (232065).

22475240 is an apocalyptic number.

2475240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2475240 is an abundant number, since it is smaller than the sum of its proper divisors (4950840).

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

2475240 is a wasteful number, since it uses less digits than its factorization.

2475240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20641 (or 20637 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 2475240 is about 1573.2895474133. The cubic root of 2475240 is about 135.2713335739.

The spelling of 2475240 in words is "two million, four hundred seventy-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 20627 41254 61881 82508 103135 123762 165016 206270 247524 309405 412540 495048 618810 825080 1237620 2475240