Search a number
-
+
30222952 = 23127151197
BaseRepresentation
bin111001101001…
…0101001101000
32002212111002121
41303102221220
530214113302
62555441024
7514614364
oct163225150
962774077
1030222952
1116072a51
12a156174
136352606
14402a2a4
1529bee37
hex1cd2a68

30222952 has 32 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 14817600.

The previous prime is 30222947. The next prime is 30222953. The reversal of 30222952 is 25922203.

It is not an unprimeable number, because it can be changed into a prime (30222953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153318 + ... + 153514.

It is an arithmetic number, because the mean of its divisors is an integer number (1805760).

Almost surely, 230222952 is an apocalyptic number.

It is an amenable number.

30222952 is a deficient number, since it is larger than the sum of its proper divisors (27561368).

30222952 is a wasteful number, since it uses less digits than its factorization.

30222952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30222952 is about 5497.5405410056. The cubic root of 30222952 is about 311.4910890479.

The spelling of 30222952 in words is "thirty million, two hundred twenty-two thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 127 151 197 254 302 394 508 604 788 1016 1208 1576 19177 25019 29747 38354 50038 59494 76708 100076 118988 153416 200152 237976 3777869 7555738 15111476 30222952