Search a number
-
+
30834999 = 351343227
BaseRepresentation
bin111010110100…
…0000100110111
32011000120200000
41311220010313
530343204444
63020522343
7523043646
oct165500467
964016600
1030834999
1116450878
12a3b03b3
136508080
14414935d
152a91469
hex1d68137

30834999 has 48 divisors (see below), whose sum is σ = 51123072. Its totient is φ = 18452448.

The previous prime is 30834983. The next prime is 30835003. The reversal of 30834999 is 99943803.

It is not a de Polignac number, because 30834999 - 24 = 30834983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30834299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135724 + ... + 135950.

It is an arithmetic number, because the mean of its divisors is an integer number (1065064).

Almost surely, 230834999 is an apocalyptic number.

30834999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30834999 is a deficient number, since it is larger than the sum of its proper divisors (20288073).

30834999 is a wasteful number, since it uses less digits than its factorization.

30834999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 30834999 is about 5552.9270659716. The cubic root of 30834999 is about 313.5797283541.

The spelling of 30834999 in words is "thirty million, eight hundred thirty-four thousand, nine hundred ninety-nine".

Divisors: 1 3 9 13 27 39 43 81 117 129 227 243 351 387 559 681 1053 1161 1677 2043 2951 3159 3483 5031 6129 8853 9761 10449 15093 18387 26559 29283 45279 55161 79677 87849 126893 135837 239031 263547 380679 717093 790641 1142037 2371923 3426111 10278333 30834999