Search a number
-
+
293975139 = 3313161023
BaseRepresentation
bin10001100001011…
…011010001100011
3202111011111002010
4101201123101203
51100224201024
645100524003
710166514243
oct2141332143
9674144063
10293975139
11140a39967
1282550603
1348b9b6b3
142b085b23
151ac1db29
hex1185b463

293975139 has 8 divisors (see below), whose sum is σ = 404611072. Its totient is φ = 189661320.

The previous prime is 293975137. The next prime is 293975141. The reversal of 293975139 is 931579392.

It is an interprime number because it is at equal distance from previous prime (293975137) and next prime (293975141).

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

It is not a de Polignac number, because 293975139 - 21 = 293975137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (293975137) 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 7 ways as a sum of consecutive naturals, for example, 1580419 + ... + 1580604.

It is an arithmetic number, because the mean of its divisors is an integer number (50576384).

Almost surely, 2293975139 is an apocalyptic number.

293975139 is a deficient number, since it is larger than the sum of its proper divisors (110635933).

293975139 is a wasteful number, since it uses less digits than its factorization.

293975139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161057.

The product of its digits is 459270, while the sum is 48.

The square root of 293975139 is about 17145.7032226736. The cubic root of 293975139 is about 664.9212328739.

The spelling of 293975139 in words is "two hundred ninety-three million, nine hundred seventy-five thousand, one hundred thirty-nine".

Divisors: 1 3 31 93 3161023 9483069 97991713 293975139