Search a number
-
+
28715702 = 227152981
BaseRepresentation
bin110110110001…
…0101010110110
32000000220112112
41231202222312
524322400302
62503251022
7466036151
oct155425266
960026475
1028715702
1115233594
129749a72
135c45552
143b56c98
1527c3552
hex1b62ab6

28715702 has 8 divisors (see below), whose sum is σ = 43233312. Its totient is φ = 14304600.

The previous prime is 28715699. The next prime is 28715711. The reversal of 28715702 is 20751782.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25949 + ... + 27032.

It is an arithmetic number, because the mean of its divisors is an integer number (5404164).

Almost surely, 228715702 is an apocalyptic number.

28715702 is a deficient number, since it is larger than the sum of its proper divisors (14517610).

28715702 is a wasteful number, since it uses less digits than its factorization.

28715702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53254.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 28715702 is about 5358.7033879475. The cubic root of 28715702 is about 306.2244142446.

The spelling of 28715702 in words is "twenty-eight million, seven hundred fifteen thousand, seven hundred two".

Divisors: 1 2 271 542 52981 105962 14357851 28715702