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29279 = 192367
BaseRepresentation
bin111001001011111
31111011102
413021133
51414104
6343315
7151235
oct71137
944142
1029279
111aaa8
1214b3b
1310433
14a955
158a1e
hex725f

29279 has 8 divisors (see below), whose sum is σ = 32640. Its totient is φ = 26136.

The previous prime is 29269. The next prime is 29287. The reversal of 29279 is 97292.

29279 = 72 + 82 + ... + 442.

It is a happy number.

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 29279 - 28 = 29023 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29209) 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, 404 + ... + 470.

It is an arithmetic number, because the mean of its divisors is an integer number (4080).

229279 is an apocalyptic number.

29279 is a deficient number, since it is larger than the sum of its proper divisors (3361).

29279 is a wasteful number, since it uses less digits than its factorization.

29279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109.

The product of its digits is 2268, while the sum is 29.

The square root of 29279 is about 171.1110750361. Note that the first 3 decimals coincide. The cubic root of 29279 is about 30.8213799944.

The spelling of 29279 in words is "twenty-nine thousand, two hundred seventy-nine".

Divisors: 1 19 23 67 437 1273 1541 29279