Search a number
-
+
30923914 = 2723137701
BaseRepresentation
bin111010111110…
…1110010001010
32011012002122011
41311331302022
530404031124
63022450134
7523564120
oct165756212
964162564
1030923914
111650165a
12a43394a
136539698
14416d910
152aac994
hex1d7dc8a

30923914 has 32 divisors (see below), whose sum is σ = 55800576. Its totient is φ = 12566400.

The previous prime is 30923911. The next prime is 30923933. The reversal of 30923914 is 41932903.

It is not an unprimeable number, because it can be changed into a prime (30923911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43764 + ... + 44464.

It is an arithmetic number, because the mean of its divisors is an integer number (1743768).

Almost surely, 230923914 is an apocalyptic number.

30923914 is a deficient number, since it is larger than the sum of its proper divisors (24876662).

30923914 is a wasteful number, since it uses less digits than its factorization.

30923914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30923914 is about 5560.9274406343. The cubic root of 30923914 is about 313.8808492170.

The spelling of 30923914 in words is "thirty million, nine hundred twenty-three thousand, nine hundred fourteen".

Divisors: 1 2 7 14 23 46 137 161 274 322 701 959 1402 1918 3151 4907 6302 9814 16123 22057 32246 44114 96037 112861 192074 225722 672259 1344518 2208851 4417702 15461957 30923914