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30836764 = 2274912243
BaseRepresentation
bin111010110100…
…0100000011100
32011000200002101
41311220200130
530343234024
63020534444
7523052050
oct165504034
964020071
1030836764
1116452132
12a3b1424
136508b0a
144149c60
152a91c44
hex1d6881c

30836764 has 24 divisors (see below), whose sum is σ = 61826688. Its totient is φ = 13182960.

The previous prime is 30836761. The next prime is 30836779. The reversal of 30836764 is 46763803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30836761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12627 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (2576112).

Almost surely, 230836764 is an apocalyptic number.

It is an amenable number.

30836764 is an abundant number, since it is smaller than the sum of its proper divisors (30989924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30836764 is a wasteful number, since it uses less digits than its factorization.

30836764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 30836764 is about 5553.0859888894. The cubic root of 30836764 is about 313.5857113570.

The spelling of 30836764 in words is "thirty million, eight hundred thirty-six thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 491 982 1964 2243 3437 4486 6874 8972 13748 15701 31402 62804 1101313 2202626 4405252 7709191 15418382 30836764