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293042 = 2146521
BaseRepresentation
bin1000111100010110010
3112212222102
41013202302
533334132
610140402
72330231
oct1074262
9485872
10293042
11190192
12121702
13a34c9
1478b18
155bc62
hex478b2

293042 has 4 divisors (see below), whose sum is σ = 439566. Its totient is φ = 146520.

The previous prime is 293021. The next prime is 293071. The reversal of 293042 is 240392.

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

It can be written as a sum of positive squares in only one way, i.e., 292681 + 361 = 541^2 + 19^2 .

It is a super-2 number, since 2×2930422 = 171747227528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73259 + ... + 73262.

2293042 is an apocalyptic number.

293042 is a deficient number, since it is larger than the sum of its proper divisors (146524).

293042 is a wasteful number, since it uses less digits than its factorization.

293042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146523.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 293042 is about 541.3335385878. Note that the first 3 decimals coincide. The cubic root of 293042 is about 66.4216953831.

Subtracting from 293042 its reverse (240392), we obtain a triangular number (52650 = T324).

The spelling of 293042 in words is "two hundred ninety-three thousand, forty-two".

Divisors: 1 2 146521 293042