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1840068852 = 223153339071
BaseRepresentation
bin110110110101101…
…0011100011110100
311202020102011221020
41231223103203310
512232024200402
6502331021140
763412220136
oct15553234364
94666364836
101840068852
11864741a66
1243429a7b0
132342ac04b
14136547056
15ab8208bc
hex6dad38f4

1840068852 has 12 divisors (see below), whose sum is σ = 4293494016. Its totient is φ = 613356280.

The previous prime is 1840068833. The next prime is 1840068863. The reversal of 1840068852 is 2588600481.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76669524 + ... + 76669547.

It is an arithmetic number, because the mean of its divisors is an integer number (357791168).

Almost surely, 21840068852 is an apocalyptic number.

1840068852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1840068852 is an abundant number, since it is smaller than the sum of its proper divisors (2453425164).

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

1840068852 is a wasteful number, since it uses less digits than its factorization.

1840068852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153339078 (or 153339076 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1840068852 is about 42896.0237318099. The cubic root of 1840068852 is about 1225.4004193147.

The spelling of 1840068852 in words is "one billion, eight hundred forty million, sixty-eight thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 153339071 306678142 460017213 613356284 920034426 1840068852