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193840127 = 1326118803
BaseRepresentation
bin10111000110111…
…00001111111111
3111111202002122222
423203130033333
5344110341002
631122355555
74542420365
oct1343341777
9444662588
10193840127
119a465a58
1254abbbbb
133120b600
141ba5b635
151203e1a2
hexb8dc3ff

193840127 has 12 divisors (see below), whose sum is σ = 213350184. Its totient is φ = 175986720.

The previous prime is 193840121. The next prime is 193840177. The reversal of 193840127 is 721048391.

It is not a de Polignac number, because 193840127 - 28 = 193839871 is a prime.

It is a super-2 number, since 2×1938401272 = 75147989670752258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193840121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 908 + ... + 19710.

It is an arithmetic number, because the mean of its divisors is an integer number (17779182).

Almost surely, 2193840127 is an apocalyptic number.

193840127 is a deficient number, since it is larger than the sum of its proper divisors (19510057).

193840127 is a wasteful number, since it uses less digits than its factorization.

193840127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18890 (or 18877 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 193840127 is about 13922.6479880804. The cubic root of 193840127 is about 578.7369731498.

The spelling of 193840127 in words is "one hundred ninety-three million, eight hundred forty thousand, one hundred twenty-seven".

Divisors: 1 13 61 169 793 10309 18803 244439 1146983 3177707 14910779 193840127