Search a number
-
+
1027130925 = 35213695079
BaseRepresentation
bin111101001110001…
…100011000101101
32122120201122202010
4331032030120231
54100421142200
6245530551433
734311316542
oct7516143055
92576648663
101027130925
11487874737
12247b98579
13134a492a2
149a5b0bc9
1560290150
hex3d38c62d

1027130925 has 12 divisors (see below), whose sum is σ = 1698189920. Its totient is φ = 547803120.

The previous prime is 1027130917. The next prime is 1027130947. The reversal of 1027130925 is 5290317201.

It is not a de Polignac number, because 1027130925 - 23 = 1027130917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1027130892 and 1027130901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6847465 + ... + 6847614.

Almost surely, 21027130925 is an apocalyptic number.

1027130925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1027130925 is a deficient number, since it is larger than the sum of its proper divisors (671058995).

1027130925 is a wasteful number, since it uses less digits than its factorization.

1027130925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13695092 (or 13695087 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1027130925 is about 32048.8833658834. The cubic root of 1027130925 is about 1008.9630651100.

The spelling of 1027130925 in words is "one billion, twenty-seven million, one hundred thirty thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 13695079 41085237 68475395 205426185 342376975 1027130925