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275028142 = 2178089063
BaseRepresentation
bin10000011001001…
…001100010101110
3201011111212200111
4100121021202232
51030401400032
643142450234
76546462214
oct2031114256
9634455614
10275028142
11131278794
127813397a
1344c9665c
1428752cb4
1519229c47
hex106498ae

275028142 has 8 divisors (see below), whose sum is σ = 436809456. Its totient is φ = 129424992.

The previous prime is 275028139. The next prime is 275028179. The reversal of 275028142 is 241820572.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044498 + ... + 4044565.

It is an arithmetic number, because the mean of its divisors is an integer number (54601182).

Almost surely, 2275028142 is an apocalyptic number.

275028142 is a deficient number, since it is larger than the sum of its proper divisors (161781314).

275028142 is a wasteful number, since it uses less digits than its factorization.

275028142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089082.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 275028142 is about 16583.9724432960. The cubic root of 275028142 is about 650.3179052415.

The spelling of 275028142 in words is "two hundred seventy-five million, twenty-eight thousand, one hundred forty-two".

Divisors: 1 2 17 34 8089063 16178126 137514071 275028142