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1924073772 = 223160339481
BaseRepresentation
bin111001010101111…
…0000100100101100
311222002111002000120
41302223300210230
512420030330042
6514531324540
765452233345
oct16253604454
94862432016
101924073772
118a80a9115
12458450750
132488122ba
141437730cc
15b3db5dec
hex72af092c

1924073772 has 12 divisors (see below), whose sum is σ = 4489505496. Its totient is φ = 641357920.

The previous prime is 1924073771. The next prime is 1924073813. The reversal of 1924073772 is 2773704291.

It is a happy number.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1924073771) 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, 80169729 + ... + 80169752.

It is an arithmetic number, because the mean of its divisors is an integer number (374125458).

Almost surely, 21924073772 is an apocalyptic number.

1924073772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1924073772 is an abundant number, since it is smaller than the sum of its proper divisors (2565431724).

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

1924073772 is a wasteful number, since it uses less digits than its factorization.

1924073772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160339488 (or 160339486 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 1924073772 is about 43864.2653192778. The cubic root of 1924073772 is about 1243.7714200767.

The spelling of 1924073772 in words is "one billion, nine hundred twenty-four million, seventy-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 160339481 320678962 481018443 641357924 962036886 1924073772