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2475712240 = 24530946403
BaseRepresentation
bin1001001110010000…
…0101111011110000
320101112111012201221
42103210011323300
520032240242430
61045355034424
7115231130641
oct22344057360
96345435657
102475712240
111060525281
1259113ba14
13305ba74b1
14196b2b6c8
15e752e57a
hex93905ef0

2475712240 has 20 divisors (see below), whose sum is σ = 5756031144. Its totient is φ = 990284864.

The previous prime is 2475712231. The next prime is 2475712259. The reversal of 2475712240 is 422175742.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×24757122402 = 12258302190571635200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2475712196 and 2475712205.

It is a congruent number.

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, 15473122 + ... + 15473281.

Almost surely, 22475712240 is an apocalyptic number.

2475712240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2475712240 is an abundant number, since it is smaller than the sum of its proper divisors (3280318904).

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

2475712240 is a wasteful number, since it uses less digits than its factorization.

2475712240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30946416 (or 30946410 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 2475712240 is about 49756.5296217491. The cubic root of 2475712240 is about 1352.7993563165.

Adding to 2475712240 its reverse (422175742), we get a palindrome (2897887982).

The spelling of 2475712240 in words is "two billion, four hundred seventy-five million, seven hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 30946403 61892806 123785612 154732015 247571224 309464030 495142448 618928060 1237856120 2475712240