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30395062 = 2107173821
BaseRepresentation
bin111001111110…
…0101010110110
32010012020012001
41303330222312
530240120222
63003245514
7516232225
oct163745266
963166161
1030395062
1116180295
12a21989a
1363b2a59
144072cbc
152a05e27
hex1cfcab6

30395062 has 16 divisors (see below), whose sum is σ = 46341072. Its totient is φ = 14950240.

The previous prime is 30395051. The next prime is 30395069. The reversal of 30395062 is 26059303.

It is a self number, because there is not a number n which added to its sum of digits gives 30395062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30395069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36612 + ... + 37432.

It is an arithmetic number, because the mean of its divisors is an integer number (2896317).

Almost surely, 230395062 is an apocalyptic number.

30395062 is a deficient number, since it is larger than the sum of its proper divisors (15946010).

30395062 is a wasteful number, since it uses less digits than its factorization.

30395062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 30395062 is about 5513.1716824347. The cubic root of 30395062 is about 312.0812507543.

The spelling of 30395062 in words is "thirty million, three hundred ninety-five thousand, sixty-two".

Divisors: 1 2 107 173 214 346 821 1642 18511 37022 87847 142033 175694 284066 15197531 30395062