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268213 = 1137659
BaseRepresentation
bin1000001011110110101
3111121220211
41001132311
532040323
65425421
72164651
oct1013665
9447824
10268213
11173570
1210b271
139510a
146da61
155470d
hex417b5

268213 has 8 divisors (see below), whose sum is σ = 300960. Its totient is φ = 236880.

The previous prime is 268211. The next prime is 268237. The reversal of 268213 is 312862.

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 268213 - 21 = 268211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2268213 is an apocalyptic number.

It is an amenable number.

268213 is a deficient number, since it is larger than the sum of its proper divisors (32747).

268213 is a wasteful number, since it uses less digits than its factorization.

268213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 576, while the sum is 22.

The square root of 268213 is about 517.8928460599. The cubic root of 268213 is about 64.4901332984.

The spelling of 268213 in words is "two hundred sixty-eight thousand, two hundred thirteen".

Divisors: 1 11 37 407 659 7249 24383 268213