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30276812 = 22292111237
BaseRepresentation
bin111001101111…
…1110011001100
32002222012222102
41303133303030
530222324222
63000534232
7515230406
oct163376314
962865872
1030276812
11160aa465
12a181378
136370c97
144041b76
1529d0d92
hex1cdfccc

30276812 has 24 divisors (see below), whose sum is σ = 55115760. Its totient is φ = 14535360.

The previous prime is 30276811. The next prime is 30276817. The reversal of 30276812 is 21867203.

It is a happy number.

30276812 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (30276811) 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, 23858 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (2296490).

Almost surely, 230276812 is an apocalyptic number.

It is an amenable number.

30276812 is a deficient number, since it is larger than the sum of its proper divisors (24838948).

30276812 is a wasteful number, since it uses less digits than its factorization.

30276812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 30276812 is about 5502.4369146770. The cubic root of 30276812 is about 311.6760142214.

The spelling of 30276812 in words is "thirty million, two hundred seventy-six thousand, eight hundred twelve".

Divisors: 1 2 4 29 58 116 211 422 844 1237 2474 4948 6119 12238 24476 35873 71746 143492 261007 522014 1044028 7569203 15138406 30276812