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30953224 = 233869153
BaseRepresentation
bin111011000010…
…0111100001000
32011020120211201
41312010330020
530411000344
63023233544
7524045431
oct166047410
964216751
1030953224
1116521685
12a4488b4
136549b23
14417a488
152ab64d4
hex1d84f08

30953224 has 8 divisors (see below), whose sum is σ = 58037310. Its totient is φ = 15476608.

The previous prime is 30953191. The next prime is 30953257. The reversal of 30953224 is 42235903.

It is an interprime number because it is at equal distance from previous prime (30953191) and next prime (30953257).

It can be written as a sum of positive squares in only one way, i.e., 15602500 + 15350724 = 3950^2 + 3918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 30953192 and 30953201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934569 + ... + 1934584.

Almost surely, 230953224 is an apocalyptic number.

It is an amenable number.

30953224 is a deficient number, since it is larger than the sum of its proper divisors (27084086).

30953224 is a wasteful number, since it uses less digits than its factorization.

30953224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869159 (or 3869155 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 30953224 is about 5563.5621682516. The cubic root of 30953224 is about 313.9799843896.

The spelling of 30953224 in words is "thirty million, nine hundred fifty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 3869153 7738306 15476612 30953224