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28838017 = 1312717467
BaseRepresentation
bin110111000000…
…0100010000001
32000021010022201
41232000202001
524340304032
62510033201
7500055565
oct156004201
960233281
1028838017
111530747a
1297a8801
135c89120
143b896a5
1527e98e7
hex1b80881

28838017 has 8 divisors (see below), whose sum is σ = 31302656. Its totient is φ = 26408592.

The previous prime is 28838011. The next prime is 28838023. The reversal of 28838017 is 71083882.

It is an interprime number because it is at equal distance from previous prime (28838011) and next prime (28838023).

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 28838017 - 23 = 28838009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28838011) 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, 7083 + ... + 10384.

It is an arithmetic number, because the mean of its divisors is an integer number (3912832).

Almost surely, 228838017 is an apocalyptic number.

It is an amenable number.

28838017 is a deficient number, since it is larger than the sum of its proper divisors (2464639).

28838017 is a wasteful number, since it uses less digits than its factorization.

28838017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17607.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 28838017 is about 5370.1040027173. The cubic root of 28838017 is about 306.6585876626.

The spelling of 28838017 in words is "twenty-eight million, eight hundred thirty-eight thousand, seventeen".

Divisors: 1 13 127 1651 17467 227071 2218309 28838017