Search a number
-
+
28175196 = 2237247917
BaseRepresentation
bin110101101111…
…0101101011100
31222000110002210
41223132231130
524203101241
62443520420
7461325300
oct153365534
958013083
1028175196
11149a4495
129529110
135ab651a
143a55d00
152718316
hex1adeb5c

28175196 has 36 divisors (see below), whose sum is σ = 76477128. Its totient is φ = 8049888.

The previous prime is 28175183. The next prime is 28175201. The reversal of 28175196 is 69157182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23371 + ... + 24546.

Almost surely, 228175196 is an apocalyptic number.

It is an amenable number.

28175196 is an abundant number, since it is smaller than the sum of its proper divisors (48301932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28175196 is a wasteful number, since it uses less digits than its factorization.

28175196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47938 (or 47929 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 28175196 is about 5308.0312734572. The cubic root of 28175196 is about 304.2909120822.

The spelling of 28175196 in words is "twenty-eight million, one hundred seventy-five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 47917 95834 143751 191668 287502 335419 575004 670838 1006257 1341676 2012514 2347933 4025028 4695866 7043799 9391732 14087598 28175196