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2923738989 = 39071074509
BaseRepresentation
bin1010111001000100…
…1011011101101101
321112202112022220020
42232101023131231
521441434121424
61202041512353
7132311241243
oct25621133555
97482468806
102923738989
111270413416
126971a26b9
13377962c92
141da434793
15121a2d079
hexae44b76d

2923738989 has 8 divisors (see below), whose sum is σ = 3902620320. Its totient is φ = 1947008496.

The previous prime is 2923738963. The next prime is 2923738997. The reversal of 2923738989 is 9898373292.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2923738989 - 25 = 2923738957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923738919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534534 + ... + 539975.

It is an arithmetic number, because the mean of its divisors is an integer number (487827540).

Almost surely, 22923738989 is an apocalyptic number.

It is an amenable number.

2923738989 is a deficient number, since it is larger than the sum of its proper divisors (978881331).

2923738989 is a wasteful number, since it uses less digits than its factorization.

2923738989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075419.

The product of its digits is 11757312, while the sum is 60.

The square root of 2923738989 is about 54071.6098243801. The cubic root of 2923738989 is about 1429.9237067876.

The spelling of 2923738989 in words is "two billion, nine hundred twenty-three million, seven hundred thirty-eight thousand, nine hundred eighty-nine".

Divisors: 1 3 907 2721 1074509 3223527 974579663 2923738989