Search a number
-
+
213374293 = 11171141039
BaseRepresentation
bin11001011011111…
…01010101010101
3112212111112111121
430231331111111
5414110434133
633101203541
75200436326
oct1455752525
9485445447
10213374293
11aa4982a0
125b5605b1
133528a9a2
14204a444d
1513aec02d
hexcb7d555

213374293 has 8 divisors (see below), whose sum is σ = 246464640. Its totient is φ = 182566080.

The previous prime is 213374281. The next prime is 213374309. The reversal of 213374293 is 392473312.

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

It is a cyclic number.

It is not a de Polignac number, because 213374293 - 25 = 213374261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213374233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570333 + ... + 570706.

It is an arithmetic number, because the mean of its divisors is an integer number (30808080).

Almost surely, 2213374293 is an apocalyptic number.

It is an amenable number.

213374293 is a deficient number, since it is larger than the sum of its proper divisors (33090347).

213374293 is a wasteful number, since it uses less digits than its factorization.

213374293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141067.

The product of its digits is 27216, while the sum is 34.

The square root of 213374293 is about 14607.3369578442. The cubic root of 213374293 is about 597.5588714364.

The spelling of 213374293 in words is "two hundred thirteen million, three hundred seventy-four thousand, two hundred ninety-three".

Divisors: 1 11 17 187 1141039 12551429 19397663 213374293