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1025695945 = 5972114837
BaseRepresentation
bin111101001000101…
…110000011001001
32122111000202022201
4331020232003021
54100034232240
6245440120201
734263162121
oct7510560311
92574022281
101025695945
11486a845aa
12247606061
131346660a1
149a319c81
15600a9d9a
hex3d22e0c9

1025695945 has 8 divisors (see below), whose sum is σ = 1243524744. Its totient is φ = 812097024.

The previous prime is 1025695927. The next prime is 1025695961. The reversal of 1025695945 is 5495965201.

It can be written as a sum of positive squares in 4 ways, for example, as 41744521 + 983951424 = 6461^2 + 31368^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1025695945 - 27 = 1025695817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025695895 and 1025695904.

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, 1056934 + ... + 1057903.

It is an arithmetic number, because the mean of its divisors is an integer number (155440593).

Almost surely, 21025695945 is an apocalyptic number.

It is an amenable number.

1025695945 is a deficient number, since it is larger than the sum of its proper divisors (217828799).

1025695945 is an equidigital number, since it uses as much as digits as its factorization.

1025695945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114939.

The product of its (nonzero) digits is 486000, while the sum is 46.

The square root of 1025695945 is about 32026.4881777569. The cubic root of 1025695945 is about 1008.4929800877.

The spelling of 1025695945 in words is "one billion, twenty-five million, six hundred ninety-five thousand, nine hundred forty-five".

Divisors: 1 5 97 485 2114837 10574185 205139189 1025695945