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214514020 = 22571532243
BaseRepresentation
bin11001100100100…
…11100101100100
3112221122102220201
430302103211210
5414403422040
633141440244
75213224210
oct1462234544
9487572821
10214514020
111000a6616
125ba10084
1335599696
14206bd940
1513c74a9a
hexcc93964

214514020 has 24 divisors (see below), whose sum is σ = 514833984. Its totient is φ = 73547616.

The previous prime is 214514011. The next prime is 214514023. The reversal of 214514020 is 20415412.

It is not an unprimeable number, because it can be changed into a prime (214514023) 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, 765982 + ... + 766261.

It is an arithmetic number, because the mean of its divisors is an integer number (21451416).

Almost surely, 2214514020 is an apocalyptic number.

214514020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214514020 is an abundant number, since it is smaller than the sum of its proper divisors (300319964).

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

214514020 is a wasteful number, since it uses less digits than its factorization.

214514020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532259 (or 1532257 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 214514020 is about 14646.2971429642. The cubic root of 214514020 is about 598.6209252759.

Adding to 214514020 its reverse (20415412), we get a palindrome (234929432).

The spelling of 214514020 in words is "two hundred fourteen million, five hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1532243 3064486 6128972 7661215 10725701 15322430 21451402 30644860 42902804 53628505 107257010 214514020