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355823 = 13101271
BaseRepresentation
bin1010110110111101111
3200002002122
41112313233
542341243
611343155
73011246
oct1266757
9602078
10355823
11223376
12151abb
13c5c60
149395d
1570668
hex56def

355823 has 8 divisors (see below), whose sum is σ = 388416. Its totient is φ = 324000.

The previous prime is 355819. The next prime is 355841. The reversal of 355823 is 328553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355823 - 22 = 355819 is a prime.

It is a super-2 number, since 2×3558232 = 253220014658, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 355792 and 355801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (48552).

2355823 is an apocalyptic number.

355823 is a deficient number, since it is larger than the sum of its proper divisors (32593).

355823 is a wasteful number, since it uses less digits than its factorization.

355823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 3600, while the sum is 26.

The square root of 355823 is about 596.5090108288. The cubic root of 355823 is about 70.8616627936.

The spelling of 355823 in words is "three hundred fifty-five thousand, eight hundred twenty-three".

Divisors: 1 13 101 271 1313 3523 27371 355823