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396913071 = 3132304357
BaseRepresentation
bin10111101010000…
…110100110101111
31000122212021101010
4113222012212233
51303102204241
6103215120303
712556463652
oct2752064657
91018767333
10396913071
11194057735
12b0b13093
1364300509
143a9dd899
1524ca3d16
hex17a869af

396913071 has 4 divisors (see below), whose sum is σ = 529217432. Its totient is φ = 264608712.

The previous prime is 396913067. The next prime is 396913117. The reversal of 396913071 is 170319693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170319693 = 356773231.

It is not a de Polignac number, because 396913071 - 22 = 396913067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396913771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66152176 + ... + 66152181.

It is an arithmetic number, because the mean of its divisors is an integer number (132304358).

Almost surely, 2396913071 is an apocalyptic number.

396913071 is a deficient number, since it is larger than the sum of its proper divisors (132304361).

396913071 is a wasteful number, since it uses less digits than its factorization.

396913071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132304360.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 396913071 is about 19922.6773050210. The cubic root of 396913071 is about 734.9060123236.

The spelling of 396913071 in words is "three hundred ninety-six million, nine hundred thirteen thousand, seventy-one".

Divisors: 1 3 132304357 396913071