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2025545345 = 5419880709
BaseRepresentation
bin111100010111011…
…0101111010000001
312020011102100211222
41320232311322001
513122014422340
6532554244425
7101123565005
oct17056657201
95204370758
102025545345
1194a40521a
12486426715
1326384c855
14153028705
15bcc5b8b5
hex78bb5e81

2025545345 has 8 divisors (see below), whose sum is σ = 2489938920. Its totient is φ = 1580913280.

The previous prime is 2025545317. The next prime is 2025545371. The reversal of 2025545345 is 5435455202.

It can be written as a sum of positive squares in 4 ways, for example, as 47430769 + 1978114576 = 6887^2 + 44476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2025545345 - 216 = 2025479809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940150 + ... + 4940559.

It is an arithmetic number, because the mean of its divisors is an integer number (311242365).

Almost surely, 22025545345 is an apocalyptic number.

It is an amenable number.

2025545345 is a deficient number, since it is larger than the sum of its proper divisors (464393575).

2025545345 is an equidigital number, since it uses as much as digits as its factorization.

2025545345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880755.

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 2025545345 is about 45006.0589809861. The cubic root of 2025545345 is about 1265.2625585706.

The spelling of 2025545345 in words is "two billion, twenty-five million, five hundred forty-five thousand, three hundred forty-five".

Divisors: 1 5 41 205 9880709 49403545 405109069 2025545345