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182420020 = 22510785243
BaseRepresentation
bin10101101111110…
…00001000110100
3110201020220020001
422313320020310
5333144420040
630033521044
74343354536
oct1267701064
9421226201
10182420020
1193a75952
1251113184
132ba40553
141a327856
151103559a
hexadf8234

182420020 has 24 divisors (see below), whose sum is σ = 386666784. Its totient is φ = 72285216.

The previous prime is 182420003. The next prime is 182420053. The reversal of 182420020 is 20024281.

182420020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 182420020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40482 + ... + 44761.

It is an arithmetic number, because the mean of its divisors is an integer number (16111116).

Almost surely, 2182420020 is an apocalyptic number.

182420020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182420020 is an abundant number, since it is smaller than the sum of its proper divisors (204246764).

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

182420020 is a wasteful number, since it uses less digits than its factorization.

182420020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85359 (or 85357 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 182420020 is about 13506.2955691041. The cubic root of 182420020 is about 567.1407236454.

The spelling of 182420020 in words is "one hundred eighty-two million, four hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 85243 170486 340972 426215 852430 1704860 9121001 18242002 36484004 45605005 91210010 182420020