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275140139 = 2973129967
BaseRepresentation
bin10000011001100…
…100111000101011
3201011201120022112
4100121210320223
51030413441024
643145112535
76550436561
oct2031447053
9634646275
10275140139
1113134494a
127818874b
1345005621
1428781a31
151924d00e
hex10664e2b

275140139 has 8 divisors (see below), whose sum is σ = 288528960. Its totient is φ = 262011456.

The previous prime is 275140051. The next prime is 275140153. The reversal of 275140139 is 931041572.

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

It is a cyclic number.

It is not a de Polignac number, because 275140139 - 220 = 274091563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275140169) 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, 62867 + ... + 67100.

It is an arithmetic number, because the mean of its divisors is an integer number (36066120).

Almost surely, 2275140139 is an apocalyptic number.

275140139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

275140139 is a deficient number, since it is larger than the sum of its proper divisors (13388821).

275140139 is a wasteful number, since it uses less digits than its factorization.

275140139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130069.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 275140139 is about 16587.3487634402. The cubic root of 275140139 is about 650.4061674458.

The spelling of 275140139 in words is "two hundred seventy-five million, one hundred forty thousand, one hundred thirty-nine".

Divisors: 1 29 73 2117 129967 3769043 9487591 275140139