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396270025 = 5215850801
BaseRepresentation
bin10111100111101…
…001100111001001
31000121122121021121
4113213221213021
51302421120100
6103153235241
712551145124
oct2747514711
91017577247
10396270025
11193758598
12b0862b21
1364136908
143a8b33bb
1524bc851a
hex179e99c9

396270025 has 6 divisors (see below), whose sum is σ = 491374862. Its totient is φ = 317016000.

The previous prime is 396270011. The next prime is 396270047. The reversal of 396270025 is 520072693.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 121638841 + 274631184 = 11029^2 + 16572^2 .

It is a de Polignac number, because none of the positive numbers 2k-396270025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7925376 + ... + 7925425.

Almost surely, 2396270025 is an apocalyptic number.

It is an amenable number.

396270025 is a deficient number, since it is larger than the sum of its proper divisors (95104837).

396270025 is a wasteful number, since it uses less digits than its factorization.

396270025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15850811 (or 15850806 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 396270025 is about 19906.5322193495. The cubic root of 396270025 is about 734.5089196544.

The spelling of 396270025 in words is "three hundred ninety-six million, two hundred seventy thousand, twenty-five".

Divisors: 1 5 25 15850801 79254005 396270025