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1875020425 = 5275000817
BaseRepresentation
bin110111111000010…
…1000101010001001
311211200011220110221
41233300220222021
512320001123200
6510020110041
764315260565
oct15760505211
94750156427
101875020425
11882444663
12443b35321
1323b5c8a55
1413b0446a5
15ae92691a
hex6fc28a89

1875020425 has 6 divisors (see below), whose sum is σ = 2325025358. Its totient is φ = 1500016320.

The previous prime is 1875020419. The next prime is 1875020429. The reversal of 1875020425 is 5240205781.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 129117769 + 1745902656 = 11363^2 + 41784^2 .

It is not a de Polignac number, because 1875020425 - 219 = 1874496137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1875020429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37500384 + ... + 37500433.

Almost surely, 21875020425 is an apocalyptic number.

It is an amenable number.

1875020425 is a deficient number, since it is larger than the sum of its proper divisors (450004933).

1875020425 is an equidigital number, since it uses as much as digits as its factorization.

1875020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75000827 (or 75000822 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1875020425 is about 43301.5060361646. The cubic root of 1875020425 is about 1233.1105146940.

The spelling of 1875020425 in words is "one billion, eight hundred seventy-five million, twenty thousand, four hundred twenty-five".

Divisors: 1 5 25 75000817 375004085 1875020425