Search a number
-
+
293121 = 3232569
BaseRepresentation
bin1000111100100000001
3112220002100
41013210001
533334441
610141013
72330403
oct1074401
9486070
10293121
11190254
12121769
13a355a
1478b73
155bcb6
hex47901

293121 has 6 divisors (see below), whose sum is σ = 423410. Its totient is φ = 195408.

The previous prime is 293107. The next prime is 293123. The reversal of 293121 is 121392.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 1521 = 540^2 + 39^2 .

It is not a de Polignac number, because 293121 - 27 = 292993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 293094 and 293103.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 293121.

It is not an unprimeable number, because it can be changed into a prime (293123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16276 + ... + 16293.

2293121 is an apocalyptic number.

It is an amenable number.

293121 is a deficient number, since it is larger than the sum of its proper divisors (130289).

293121 is a wasteful number, since it uses less digits than its factorization.

293121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32575 (or 32572 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 293121 is about 541.4065016233. The cubic root of 293121 is about 66.4276636316.

It can be divided in two parts, 293 and 121, that multiplied together give a palindrome (35453).

The spelling of 293121 in words is "two hundred ninety-three thousand, one hundred twenty-one".

Divisors: 1 3 9 32569 97707 293121