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30194534 = 219794593
BaseRepresentation
bin111001100101…
…1101101100110
32002211001010002
41303023231212
530212211114
62555101302
7514435466
oct163135546
962731102
1030194534
1116053667
12a141832
1363426b6
14401dba6
1529b67de
hex1ccbb66

30194534 has 8 divisors (see below), whose sum is σ = 47675640. Its totient is φ = 14302656.

The previous prime is 30194531. The next prime is 30194579. The reversal of 30194534 is 43549103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30194497 and 30194506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30194531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397259 + ... + 397334.

It is an arithmetic number, because the mean of its divisors is an integer number (5959455).

Almost surely, 230194534 is an apocalyptic number.

30194534 is a deficient number, since it is larger than the sum of its proper divisors (17481106).

30194534 is a wasteful number, since it uses less digits than its factorization.

30194534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794614.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30194534 is about 5494.9553228393. The cubic root of 30194534 is about 311.3934289467.

The spelling of 30194534 in words is "thirty million, one hundred ninety-four thousand, five hundred thirty-four".

Divisors: 1 2 19 38 794593 1589186 15097267 30194534