Search a number
-
+
30935000 = 235423269
BaseRepresentation
bin111011000000…
…0011111011000
32011012122211202
41312000133120
530404410000
63023013332
7523641335
oct166003730
964178752
1030935000
1116509a18
12a43a248
136541745
14417398c
152ab0dd5
hex1d807d8

30935000 has 80 divisors (see below), whose sum is σ = 75913200. Its totient is φ = 11792000.

The previous prime is 30934999. The next prime is 30935027. The reversal of 30935000 is 53903.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114866 + ... + 115134.

It is an arithmetic number, because the mean of its divisors is an integer number (948915).

Almost surely, 230935000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30935000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37956600).

30935000 is an abundant number, since it is smaller than the sum of its proper divisors (44978200).

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

30935000 is a wasteful number, since it uses less digits than its factorization.

30935000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 30935000 is about 5561.9241274940. The cubic root of 30935000 is about 313.9183527422.

Adding to 30935000 its reverse (53903), we get a palindrome (30988903).

The spelling of 30935000 in words is "thirty million, nine hundred thirty-five thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 125 184 200 230 250 269 460 500 538 575 625 920 1000 1076 1150 1250 1345 2152 2300 2500 2690 2875 4600 5000 5380 5750 6187 6725 10760 11500 12374 13450 14375 23000 24748 26900 28750 30935 33625 49496 53800 57500 61870 67250 115000 123740 134500 154675 168125 247480 269000 309350 336250 618700 672500 773375 1237400 1345000 1546750 3093500 3866875 6187000 7733750 15467500 30935000