Search a number
-
+
30276057 = 373146507
BaseRepresentation
bin111001101111…
…1100111011001
32002222011221110
41303133213121
530222313212
63000530533
7515225250
oct163374731
962864843
1030276057
11160a9939
12a180a49
136370836
144041797
1529d0a3c
hex1cdf9d9

30276057 has 16 divisors (see below), whose sum is σ = 47624192. Its totient is φ = 16742160.

The previous prime is 30276049. The next prime is 30276061. The reversal of 30276057 is 75067203.

It is not a de Polignac number, because 30276057 - 23 = 30276049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30276047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22603 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (2976512).

Almost surely, 230276057 is an apocalyptic number.

It is an amenable number.

30276057 is a deficient number, since it is larger than the sum of its proper divisors (17348135).

30276057 is a wasteful number, since it uses less digits than its factorization.

30276057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46548.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30276057 is about 5502.3683082833. The cubic root of 30276057 is about 311.6734234891.

The spelling of 30276057 in words is "thirty million, two hundred seventy-six thousand, fifty-seven".

Divisors: 1 3 7 21 31 93 217 651 46507 139521 325549 976647 1441717 4325151 10092019 30276057