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942928089 = 31973075197
BaseRepresentation
bin111000001100111…
…111000011011001
32102201021201011120
4320030333003121
53412342144324
6233322115453
732236520325
oct7014770331
92381251146
10942928089
11444292914
1222394bb89
13120476c1c
148d332985
1557bab179
hex3833f0d9

942928089 has 16 divisors (see below), whose sum is σ = 1267979328. Its totient is φ = 623270592.

The previous prime is 942928061. The next prime is 942928111. The reversal of 942928089 is 980829249.

It is not a de Polignac number, because 942928089 - 215 = 942895321 is a prime.

It is a super-2 number, since 2×9429280892 = 1778226762050383842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (942928009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178839 + ... + 184035.

It is an arithmetic number, because the mean of its divisors is an integer number (79248708).

Almost surely, 2942928089 is an apocalyptic number.

It is an amenable number.

942928089 is a deficient number, since it is larger than the sum of its proper divisors (325051239).

942928089 is a wasteful number, since it uses less digits than its factorization.

942928089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 942928089 is about 30707.1341710685. The cubic root of 942928089 is about 980.6021875087.

The spelling of 942928089 in words is "nine hundred forty-two million, nine hundred twenty-eight thousand, eighty-nine".

Divisors: 1 3 197 307 591 921 5197 15591 60479 181437 1023809 1595479 3071427 4786437 314309363 942928089