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30164542 = 216790313
BaseRepresentation
bin111001100010…
…0011000111110
32002202111222021
41303010120332
530210231132
62554310354
7514252162
oct163043076
962674867
1030164542
1116033081
12a1283ba
136331b55
144012ca2
1529ac997
hex1cc463e

30164542 has 8 divisors (see below), whose sum is σ = 45518256. Its totient is φ = 14991792.

The previous prime is 30164531. The next prime is 30164557. The reversal of 30164542 is 24546103.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44823 + ... + 45490.

It is an arithmetic number, because the mean of its divisors is an integer number (5689782).

Almost surely, 230164542 is an apocalyptic number.

30164542 is a deficient number, since it is larger than the sum of its proper divisors (15353714).

30164542 is a wasteful number, since it uses less digits than its factorization.

30164542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90482.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30164542 is about 5492.2255962406. The cubic root of 30164542 is about 311.2902932196.

The spelling of 30164542 in words is "thirty million, one hundred sixty-four thousand, five hundred forty-two".

Divisors: 1 2 167 334 90313 180626 15082271 30164542