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396124933 = 953415661
BaseRepresentation
bin10111100111000…
…110001100000101
31000121101020020211
4113213012030011
51302401444213
6103150155421
712550002121
oct2747061405
91017336224
10396124933
11193669586
12b07b2b71
13640b5869
143a876581
1524b9a53d
hex179c6305

396124933 has 4 divisors (see below), whose sum is σ = 396541548. Its totient is φ = 395708320.

The previous prime is 396124921. The next prime is 396124943. The reversal of 396124933 is 339421693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339421693 = 1326109361.

It can be written as a sum of positive squares in 2 ways, for example, as 68442529 + 327682404 = 8273^2 + 18102^2 .

It is a cyclic number.

It is not a de Polignac number, because 396124933 - 225 = 362570501 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396124943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206878 + ... + 208783.

It is an arithmetic number, because the mean of its divisors is an integer number (99135387).

Almost surely, 2396124933 is an apocalyptic number.

It is an amenable number.

396124933 is a deficient number, since it is larger than the sum of its proper divisors (416615).

396124933 is an equidigital number, since it uses as much as digits as its factorization.

396124933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416614.

The product of its digits is 104976, while the sum is 40.

The square root of 396124933 is about 19902.8875543224. The cubic root of 396124933 is about 734.4192632998.

The spelling of 396124933 in words is "three hundred ninety-six million, one hundred twenty-four thousand, nine hundred thirty-three".

Divisors: 1 953 415661 396124933