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30366340 = 2256612297
BaseRepresentation
bin111001111010…
…1101010000100
32010010202210021
41303311222010
530233210330
63002504524
7516052414
oct163655204
963122707
1030366340
1116160754
12a205144
1363a2964
144066644
1529ec67a
hex1cf5a84

30366340 has 24 divisors (see below), whose sum is σ = 63893592. Its totient is φ = 12122880.

The previous prime is 30366337. The next prime is 30366341. The reversal of 30366340 is 4366303.

It can be written as a sum of positive squares in 4 ways, for example, as 6081156 + 24285184 = 2466^2 + 4928^2 .

It is a super-2 number, since 2×303663402 = 1844229209991200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30366341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12072 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (2662233).

Almost surely, 230366340 is an apocalyptic number.

It is an amenable number.

30366340 is an abundant number, since it is smaller than the sum of its proper divisors (33527252).

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

30366340 is a wasteful number, since it uses less digits than its factorization.

30366340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 30366340 is about 5510.5662141018. The cubic root of 30366340 is about 311.9829187449.

The spelling of 30366340 in words is "thirty million, three hundred sixty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 661 1322 2297 2644 3305 4594 6610 9188 11485 13220 22970 45940 1518317 3036634 6073268 7591585 15183170 30366340