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275090142 = 2345848357
BaseRepresentation
bin10000011001011…
…000101011011110
3201011122000201210
4100121120223132
51030410341032
643144045250
76550141035
oct2031305336
9634560653
10275090142
11131310328
1278163826
1344cb8942
142876b71c
151923d2cc
hex10658ade

275090142 has 8 divisors (see below), whose sum is σ = 550180296. Its totient is φ = 91696712.

The previous prime is 275090117. The next prime is 275090147. The reversal of 275090142 is 241090572.

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

275090142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275090147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22924173 + ... + 22924184.

It is an arithmetic number, because the mean of its divisors is an integer number (68772537).

Almost surely, 2275090142 is an apocalyptic number.

275090142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

275090142 is a wasteful number, since it uses less digits than its factorization.

275090142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45848362.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 275090142 is about 16585.8416126526. The cubic root of 275090142 is about 650.3667689449.

The spelling of 275090142 in words is "two hundred seventy-five million, ninety thousand, one hundred forty-two".

Divisors: 1 2 3 6 45848357 91696714 137545071 275090142