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2472757820 = 225139510607
BaseRepresentation
bin1001001101100011…
…0100101000111100
320101022221010000222
42103120310220330
520031011222240
61045211440512
7115164044321
oct22330645074
96338833028
102472757820
111059897605
12590156138
133053b1810
1419659cb48
15e7148eb5
hex93634a3c

2472757820 has 24 divisors (see below), whose sum is σ = 5592237504. Its totient is φ = 913018176.

The previous prime is 2472757817. The next prime is 2472757867. The reversal of 2472757820 is 287572742.

It is a super-2 number, since 2×24727578202 = 12229062472742304800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755044 + ... + 4755563.

It is an arithmetic number, because the mean of its divisors is an integer number (233009896).

Almost surely, 22472757820 is an apocalyptic number.

2472757820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2472757820 is an abundant number, since it is smaller than the sum of its proper divisors (3119479684).

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

2472757820 is a wasteful number, since it uses less digits than its factorization.

2472757820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510629 (or 9510627 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 44.

The square root of 2472757820 is about 49726.8319923962. The cubic root of 2472757820 is about 1352.2610158320.

The spelling of 2472757820 in words is "two billion, four hundred seventy-two million, seven hundred fifty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 9510607 19021214 38042428 47553035 95106070 123637891 190212140 247275782 494551564 618189455 1236378910 2472757820