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30752386 = 272196599
BaseRepresentation
bin111010101001…
…1111010000010
32010212101100021
41311103322002
530333034021
63015044054
7522251050
oct165237202
963771307
1030752386
11163a47a5
12a37062a
1364a95a2
1441271d0
152a76c41
hex1d53e82

30752386 has 8 divisors (see below), whose sum is σ = 52718400. Its totient is φ = 13179588.

The previous prime is 30752377. The next prime is 30752399. The reversal of 30752386 is 68325703.

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

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, 1098286 + ... + 1098313.

It is an arithmetic number, because the mean of its divisors is an integer number (6589800).

Almost surely, 230752386 is an apocalyptic number.

30752386 is a deficient number, since it is larger than the sum of its proper divisors (21966014).

30752386 is a wasteful number, since it uses less digits than its factorization.

30752386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196608.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 30752386 is about 5545.4833874064. The cubic root of 30752386 is about 313.2994307165.

The spelling of 30752386 in words is "thirty million, seven hundred fifty-two thousand, three hundred eighty-six".

Divisors: 1 2 7 14 2196599 4393198 15376193 30752386