Search a number
-
+
1025195 = 5379541
BaseRepresentation
bin11111010010010101011
31221002022012
43322102223
5230301240
633550135
711466623
oct3722253
91832265
101025195
11640276
1241534b
1329b832
141c9883
15153b65
hexfa4ab

1025195 has 8 divisors (see below), whose sum is σ = 1235760. Its totient is φ = 816480.

The previous prime is 1025161. The next prime is 1025197. The reversal of 1025195 is 5915201.

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

It is not a de Polignac number, because 1025195 - 28 = 1024939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1025195.

It is not an unprimeable number, because it can be changed into a prime (1025197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (154470).

21025195 is an apocalyptic number.

1025195 is a deficient number, since it is larger than the sum of its proper divisors (210565).

1025195 is an equidigital number, since it uses as much as digits as its factorization.

1025195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1025195 is about 1012.5191356216. The cubic root of 1025195 is about 100.8328772301.

The spelling of 1025195 in words is "one million, twenty-five thousand, one hundred ninety-five".

Divisors: 1 5 379 541 1895 2705 205039 1025195