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189377124 = 22323686149
BaseRepresentation
bin10110100100110…
…10101001100100
3111012100100120120
423102122221210
5341440031444
630443001540
74456451616
oct1322325144
9435310516
10189377124
1197997922
12535092b0
1330308091
141b218db6
151195bb19
hexb49aa64

189377124 has 24 divisors (see below), whose sum is σ = 461092800. Its totient is φ = 60381024.

The previous prime is 189377113. The next prime is 189377129. The reversal of 189377124 is 421773981.

It is a super-2 number, since 2×1893771242 = 71727390189022752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189377129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342799 + ... + 343350.

It is an arithmetic number, because the mean of its divisors is an integer number (19212200).

Almost surely, 2189377124 is an apocalyptic number.

It is an amenable number.

189377124 is an abundant number, since it is smaller than the sum of its proper divisors (271715676).

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

189377124 is a wasteful number, since it uses less digits than its factorization.

189377124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686179 (or 686177 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 189377124 is about 13761.4361169174. The cubic root of 189377124 is about 574.2608008442.

The spelling of 189377124 in words is "one hundred eighty-nine million, three hundred seventy-seven thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 686149 1372298 2058447 2744596 4116894 8233788 15781427 31562854 47344281 63125708 94688562 189377124