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127671340 = 22529220123
BaseRepresentation
bin1111001110000…
…01110000101100
322220020101011011
413213001300230
5230140440330
620400235004
73110121436
oct747016054
9286211134
10127671340
1166081405
123690ba64
13205b1894
1412d55656
15b31d82a
hex79c1c2c

127671340 has 24 divisors (see below), whose sum is σ = 277356240. Its totient is φ = 49307328.

The previous prime is 127671337. The next prime is 127671359. The reversal of 127671340 is 43176721.

It is an unprimeable number.

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, 109482 + ... + 110641.

It is an arithmetic number, because the mean of its divisors is an integer number (11556510).

Almost surely, 2127671340 is an apocalyptic number.

127671340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127671340 is an abundant number, since it is smaller than the sum of its proper divisors (149684900).

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

127671340 is a wasteful number, since it uses less digits than its factorization.

127671340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220161 (or 220159 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 127671340 is about 11299.1743061164. The cubic root of 127671340 is about 503.5367110324.

The spelling of 127671340 in words is "one hundred twenty-seven million, six hundred seventy-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 220123 440246 880492 1100615 2201230 4402460 6383567 12767134 25534268 31917835 63835670 127671340