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396869697 = 3276299519
BaseRepresentation
bin10111101001111…
…100000001000001
31000122210001212200
4113221330001001
51303044312242
6103214143413
712556223340
oct2751740101
91018701780
10396869697
11194028094
12b0ab1b69
13642b6853
143a9cbb57
1524c9604c
hex17a7c041

396869697 has 12 divisors (see below), whose sum is σ = 655150080. Its totient is φ = 226782648.

The previous prime is 396869651. The next prime is 396869717. The reversal of 396869697 is 796968693.

It is not a de Polignac number, because 396869697 - 26 = 396869633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 6299519 = 396869697 / (3 + 9 + 6 + 8 + 6 + 9 + 6 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (396869897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3149697 + ... + 3149822.

It is an arithmetic number, because the mean of its divisors is an integer number (54595840).

Almost surely, 2396869697 is an apocalyptic number.

It is an amenable number.

396869697 is a deficient number, since it is larger than the sum of its proper divisors (258280383).

396869697 is a wasteful number, since it uses less digits than its factorization.

396869697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299532 (or 6299529 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The square root of 396869697 is about 19921.5887167665. The cubic root of 396869697 is about 734.8792415797.

The spelling of 396869697 in words is "three hundred ninety-six million, eight hundred sixty-nine thousand, six hundred ninety-seven".

Divisors: 1 3 7 9 21 63 6299519 18898557 44096633 56695671 132289899 396869697