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182242420 = 2259112121
BaseRepresentation
bin10101101110011…
…00110001110100
3110200220212121021
422313030301310
5333123224140
630030030524
74342015003
oct1267146164
9420825537
10182242420
1193964478
1251048444
132b9aa769
141a2bcc3a
1510eecb4a
hexadccc74

182242420 has 12 divisors (see below), whose sum is σ = 382709124. Its totient is φ = 72896960.

The previous prime is 182242399. The next prime is 182242421. The reversal of 182242420 is 24242281.

It can be written as a sum of positive squares in 2 ways, for example, as 25441936 + 156800484 = 5044^2 + 12522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182242421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4556041 + ... + 4556080.

It is an arithmetic number, because the mean of its divisors is an integer number (31892427).

Almost surely, 2182242420 is an apocalyptic number.

182242420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182242420 is an abundant number, since it is smaller than the sum of its proper divisors (200466704).

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

182242420 is a wasteful number, since it uses less digits than its factorization.

182242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112130 (or 9112128 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 182242420 is about 13499.7192563401. The cubic root of 182242420 is about 566.9566120955.

The spelling of 182242420 in words is "one hundred eighty-two million, two hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 9112121 18224242 36448484 45560605 91121210 182242420