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220030368 = 2532291983
BaseRepresentation
bin11010001110101…
…10010110100000
3120100000200220220
431013112112200
5422311432433
633500003040
75311140645
oct1507262640
9510020826
10220030368
11103224088
1261830480
133677b4ac
1421317dcc
15144b42b3
hexd1d65a0

220030368 has 24 divisors (see below), whose sum is σ = 577579968. Its totient is φ = 73343424.

The previous prime is 220030367. The next prime is 220030387. The reversal of 220030368 is 863030022.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (220030367) 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 3 ways as a sum of consecutive naturals, for example, 1145896 + ... + 1146087.

It is an arithmetic number, because the mean of its divisors is an integer number (24065832).

Almost surely, 2220030368 is an apocalyptic number.

It is an amenable number.

220030368 is an abundant number, since it is smaller than the sum of its proper divisors (357549600).

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

220030368 is a wasteful number, since it uses less digits than its factorization.

220030368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291996 (or 2291988 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 220030368 is about 14833.4206439378. The cubic root of 220030368 is about 603.7088490485.

The spelling of 220030368 in words is "two hundred twenty million, thirty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2291983 4583966 6875949 9167932 13751898 18335864 27503796 36671728 55007592 73343456 110015184 220030368