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30446194 = 215223097
BaseRepresentation
bin111010000100…
…1001001110010
32010021211022211
41310021021302
530243234234
63004322334
7516534262
oct164111162
963254284
1030446194
1116205749
12a2433aa
1364000cc
1440877a2
152a16164
hex1d09272

30446194 has 4 divisors (see below), whose sum is σ = 45669294. Its totient is φ = 15223096.

The previous prime is 30446179. The next prime is 30446203. The reversal of 30446194 is 49164403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18105025 + 12341169 = 4255^2 + 3513^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 7611547 + ... + 7611550.

Almost surely, 230446194 is an apocalyptic number.

30446194 is a deficient number, since it is larger than the sum of its proper divisors (15223100).

30446194 is a wasteful number, since it uses less digits than its factorization.

30446194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15223099.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30446194 is about 5517.8069919126. The cubic root of 30446194 is about 312.2561519582.

It can be divided in two parts, 30 and 446194, that added together give a square (446224 = 6682).

The spelling of 30446194 in words is "thirty million, four hundred forty-six thousand, one hundred ninety-four".

Divisors: 1 2 15223097 30446194