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396948893 = 111931197311
BaseRepresentation
bin10111101010001…
…111010110011101
31000122221002111212
4113222033112131
51303104331033
6103215554205
712560003255
oct2752172635
91018832455
10396948893
11194081640
12b0b2b965
1364313903
143aa0c965
1524cae748
hex17a8f59d

396948893 has 32 divisors (see below), whose sum is σ = 474439680. Its totient is φ = 328104000.

The previous prime is 396948857. The next prime is 396948907. The reversal of 396948893 is 398849693.

It is not a de Polignac number, because 396948893 - 226 = 329840029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396944893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276208 + ... + 1276518.

It is an arithmetic number, because the mean of its divisors is an integer number (14826240).

Almost surely, 2396948893 is an apocalyptic number.

It is an amenable number.

396948893 is a deficient number, since it is larger than the sum of its proper divisors (77490787).

396948893 is a wasteful number, since it uses less digits than its factorization.

396948893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its digits is 10077696, while the sum is 59.

The square root of 396948893 is about 19923.5763104920. The cubic root of 396948893 is about 734.9281204485.

The spelling of 396948893 in words is "three hundred ninety-six million, nine hundred forty-eight thousand, eight hundred ninety-three".

Divisors: 1 11 19 31 197 209 311 341 589 2167 3421 3743 5909 6107 6479 9641 41173 61267 64999 67177 106051 116033 183179 673937 1164073 1276363 1899277 2014969 12804803 20892047 36086263 396948893