Search a number
-
+
297082893 = 3139712429
BaseRepresentation
bin10001101101010…
…010000000001101
3202201000101010010
4101231102000031
51102023123033
645251303433
710235106612
oct2155220015
9681011103
10297082893
11142771858
12835aab79
13497190c3
142b654509
151b134863
hex11b5200d

297082893 has 8 divisors (see below), whose sum is σ = 398960800. Its totient is φ = 196630128.

The previous prime is 297082883. The next prime is 297082901. The reversal of 297082893 is 398280792.

It is a happy number.

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

It is not a de Polignac number, because 297082893 - 28 = 297082637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297082823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355798 + ... + 356631.

It is an arithmetic number, because the mean of its divisors is an integer number (49870100).

Almost surely, 2297082893 is an apocalyptic number.

It is an amenable number.

297082893 is a deficient number, since it is larger than the sum of its proper divisors (101877907).

297082893 is a wasteful number, since it uses less digits than its factorization.

297082893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712571.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 297082893 is about 17236.0927416860. The cubic root of 297082893 is about 667.2560929059.

The spelling of 297082893 in words is "two hundred ninety-seven million, eighty-two thousand, eight hundred ninety-three".

Divisors: 1 3 139 417 712429 2137287 99027631 297082893