Search a number
-
+
28974302 = 2712491657
BaseRepresentation
bin110111010000…
…1110011011110
32000112001021022
41232201303132
524404134202
62513004142
7501164120
oct156416336
960461238
1028974302
111539a905
129853652
136006176
143bc3210
152824ea2
hex1ba1cde

28974302 has 16 divisors (see below), whose sum is σ = 49740000. Its totient is φ = 12400128.

The previous prime is 28974289. The next prime is 28974317. The reversal of 28974302 is 20347982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16658 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (3108750).

Almost surely, 228974302 is an apocalyptic number.

28974302 is a deficient number, since it is larger than the sum of its proper divisors (20765698).

28974302 is a wasteful number, since it uses less digits than its factorization.

28974302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 28974302 is about 5382.7782789188. The cubic root of 28974302 is about 307.1409058672.

The spelling of 28974302 in words is "twenty-eight million, nine hundred seventy-four thousand, three hundred two".

Divisors: 1 2 7 14 1249 1657 2498 3314 8743 11599 17486 23198 2069593 4139186 14487151 28974302