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28719026 = 272051359
BaseRepresentation
bin110110110001…
…1011110110010
32000001002002122
41231203132302
524323002101
62503314242
7466051640
oct155433662
960032078
1028719026
1115236036
12974b982
135c46c0b
143b58190
1527c451b
hex1b637b2

28719026 has 8 divisors (see below), whose sum is σ = 49232640. Its totient is φ = 12308148.

The previous prime is 28719011. The next prime is 28719029. The reversal of 28719026 is 62091782.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28719029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025666 + ... + 1025693.

It is an arithmetic number, because the mean of its divisors is an integer number (6154080).

Almost surely, 228719026 is an apocalyptic number.

28719026 is a deficient number, since it is larger than the sum of its proper divisors (20513614).

28719026 is a wasteful number, since it uses less digits than its factorization.

28719026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051368.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28719026 is about 5359.0135286263. The cubic root of 28719026 is about 306.2362295072.

The spelling of 28719026 in words is "twenty-eight million, seven hundred nineteen thousand, twenty-six".

Divisors: 1 2 7 14 2051359 4102718 14359513 28719026