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276013 = 1973199
BaseRepresentation
bin1000011011000101101
3112000121201
41003120231
532313023
65525501
72226463
oct1033055
9460551
10276013
11179411
12113891
139882a
1472833
1556bad
hex4362d

276013 has 8 divisors (see below), whose sum is σ = 296000. Its totient is φ = 256608.

The previous prime is 276011. The next prime is 276019. The reversal of 276013 is 310672.

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

It is a 3-Lehmer number, since φ(276013) divides (276013-1)3.

It is a cyclic number.

It is not a de Polignac number, because 276013 - 21 = 276011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276011) 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, 1288 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (37000).

It is a Poulet number, since it divides 2276012-1.

2276013 is an apocalyptic number.

It is an amenable number.

276013 is a deficient number, since it is larger than the sum of its proper divisors (19987).

276013 is a wasteful number, since it uses less digits than its factorization.

276013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 276013 is about 525.3693938554. The cubic root of 276013 is about 65.1093229310.

Adding to 276013 its reverse (310672), we get a palindrome (586685).

The spelling of 276013 in words is "two hundred seventy-six thousand, thirteen".

Divisors: 1 19 73 199 1387 3781 14527 276013