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396275593 = 7217475721
BaseRepresentation
bin10111100111101…
…010111110001001
31000121122212220211
4113213222332021
51302421304333
6103153321121
712551200300
oct2747527611
91017585824
10396275593
1119376179a
12b08661a1
13641392cc
143a8b5437
1524bc9ecd
hex179eaf89

396275593 has 12 divisors (see below), whose sum is σ = 488090772. Its totient is φ = 319683840.

The previous prime is 396275567. The next prime is 396275603. The reversal of 396275593 is 395572693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 221057424 + 175218169 = 14868^2 + 13237^2 .

It is not a de Polignac number, because 396275593 - 217 = 396144521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396275543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237028 + ... + 238693.

It is an arithmetic number, because the mean of its divisors is an integer number (40674231).

Almost surely, 2396275593 is an apocalyptic number.

It is an amenable number.

396275593 is a deficient number, since it is larger than the sum of its proper divisors (91815179).

396275593 is a wasteful number, since it uses less digits than its factorization.

396275593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475752 (or 475745 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 49.

The square root of 396275593 is about 19906.6720724485. The cubic root of 396275593 is about 734.5123598393.

The spelling of 396275593 in words is "three hundred ninety-six million, two hundred seventy-five thousand, five hundred ninety-three".

Divisors: 1 7 17 49 119 833 475721 3330047 8087257 23310329 56610799 396275593