Search a number
-
+
34728894 = 23213011483
BaseRepresentation
bin1000010001111…
…0101110111110
32102100102002100
42010132232332
532342311034
63240205530
7601122264
oct204365676
972312070
1034728894
1118670372
12b7698a6
13726c555
144880434
1530b0099
hex211ebbe

34728894 has 24 divisors (see below), whose sum is σ = 75354552. Its totient is φ = 11559600.

The previous prime is 34728857. The next prime is 34728901. The reversal of 34728894 is 49882743.

It is a Curzon number.

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, 22677 + ... + 24159.

It is an arithmetic number, because the mean of its divisors is an integer number (3139773).

Almost surely, 234728894 is an apocalyptic number.

34728894 is an abundant number, since it is smaller than the sum of its proper divisors (40625658).

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

34728894 is a wasteful number, since it uses less digits than its factorization.

34728894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2789 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 34728894 is about 5893.1226018131. The cubic root of 34728894 is about 326.2598640608.

It can be divided in two parts, 347 and 28894, that added together give a square (29241 = 1712).

The spelling of 34728894 in words is "thirty-four million, seven hundred twenty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 1301 1483 2602 2966 3903 4449 7806 8898 11709 13347 23418 26694 1929383 3858766 5788149 11576298 17364447 34728894