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BaseRepresentation
bin111011100001110100001
310200002202101
413130032201
5444410000
6105450401
722402645
oct7341641
93602671
101950625
111112596
127a0a01
13533b21
1438ac25
15287e6a
hex1dc3a1

1950625 has 10 divisors (see below), whose sum is σ = 2438282. Its totient is φ = 1560000.

The previous prime is 1950623. The next prime is 1950629. The reversal of 1950625 is 5260591.

It can be written as a sum of positive squares in 5 ways, for example, as 1478656 + 471969 = 1216^2 + 687^2 .

It is not a de Polignac number, because 1950625 - 21 = 1950623 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1950593 and 1950602.

It is not an unprimeable number, because it can be changed into a prime (1950623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 936 + ... + 2185.

It is a 4-hyperperfect number.

21950625 is an apocalyptic number.

It is an amenable number.

1950625 is a deficient number, since it is larger than the sum of its proper divisors (487657).

1950625 is an frugal number, since it uses more digits than its factorization.

1950625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1950625 is about 1396.6477723463. The cubic root of 1950625 is about 124.9466438949.

The spelling of 1950625 in words is "one million, nine hundred fifty thousand, six hundred twenty-five".