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202923 = 3273221
BaseRepresentation
bin110001100010101011
3101022100200
4301202223
522443143
64203243
71503420
oct614253
9338320
10202923
11129506
1299523
1371496
1453d47
15401d3
hex318ab

202923 has 12 divisors (see below), whose sum is σ = 335088. Its totient is φ = 115920.

The previous prime is 202921. The next prime is 202931. The reversal of 202923 is 329202.

202923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202923 - 21 = 202921 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

202923 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 202896 and 202905.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 202923.

It is not an unprimeable number, because it can be changed into a prime (202921) 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, 1548 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (27924).

2202923 is an apocalyptic number.

202923 is a deficient number, since it is larger than the sum of its proper divisors (132165).

202923 is a wasteful number, since it uses less digits than its factorization.

202923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 202923 is about 450.4697548116. The cubic root of 202923 is about 58.7638747975.

The spelling of 202923 in words is "two hundred two thousand, nine hundred twenty-three".

Divisors: 1 3 7 9 21 63 3221 9663 22547 28989 67641 202923