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2546242240 = 2659782031
BaseRepresentation
bin1001011111000100…
…1001001011000000
320120110012111201011
42113301021023000
520203314222430
61100354450304
7120045462523
oct22761111300
96513174634
102546242240
111097318533
125b0893994
133176a0319
141a224abba
15ed81222a
hex97c492c0

2546242240 has 56 divisors (see below), whose sum is σ = 6125821632. Its totient is φ = 1007984640.

The previous prime is 2546242189. The next prime is 2546242241. The reversal of 2546242240 is 422426452.

It is not an unprimeable number, because it can be changed into a prime (2546242241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9976 + ... + 72055.

It is an arithmetic number, because the mean of its divisors is an integer number (109389672).

Almost surely, 22546242240 is an apocalyptic number.

2546242240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2546242240 is an abundant number, since it is smaller than the sum of its proper divisors (3579579392).

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

2546242240 is an equidigital number, since it uses as much as digits as its factorization.

2546242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82145 (or 82135 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 2546242240 is about 50460.3036059039. The cubic root of 2546242240 is about 1365.5257877749.

Adding to 2546242240 its reverse (422426452), we get a palindrome (2968668692).

The spelling of 2546242240 in words is "two billion, five hundred forty-six million, two hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 97 160 194 320 388 485 776 970 1552 1940 3104 3880 6208 7760 15520 31040 82031 164062 328124 410155 656248 820310 1312496 1640620 2624992 3281240 5249984 6562480 7957007 13124960 15914014 26249920 31828028 39785035 63656056 79570070 127312112 159140140 254624224 318280280 509248448 636560560 1273121120 2546242240