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293923057 = 1132601089
BaseRepresentation
bin10001100001001…
…110100011110001
3202111001211122011
4101201032203301
51100221014212
645055442521
710166206351
oct2141164361
9674054564
10293923057
11140a0381a
1282526441
1348b80a8c
142b070b61
151ac0d4a7
hex1184e8f1

293923057 has 4 divisors (see below), whose sum is σ = 296524260. Its totient is φ = 291321856.

The previous prime is 293923051. The next prime is 293923061. The reversal of 293923057 is 750329392.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39488656 + 254434401 = 6284^2 + 15951^2 .

It is a cyclic number.

It is not a de Polignac number, because 293923057 - 223 = 285534449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (293923051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300432 + ... + 1300657.

It is an arithmetic number, because the mean of its divisors is an integer number (74131065).

Almost surely, 2293923057 is an apocalyptic number.

It is an amenable number.

293923057 is a deficient number, since it is larger than the sum of its proper divisors (2601203).

293923057 is a wasteful number, since it uses less digits than its factorization.

293923057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601202.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 293923057 is about 17144.1843492188. The cubic root of 293923057 is about 664.8819637109.

The spelling of 293923057 in words is "two hundred ninety-three million, nine hundred twenty-three thousand, fifty-seven".

Divisors: 1 113 2601089 293923057