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275142629 = 1923629617
BaseRepresentation
bin10000011001100…
…101011111100101
3201011201200201202
4100121211133211
51030414031004
643145132245
76550450046
oct2031453745
9634650652
10275142629
11131346803
127818a085
13450067b8
14287828cd
151924db1e
hex106657e5

275142629 has 8 divisors (see below), whose sum is σ = 302216640. Its totient is φ = 249327936.

The previous prime is 275142617. The next prime is 275142643. The reversal of 275142629 is 926241572.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-275142629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275142592 and 275142601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275142929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314372 + ... + 315245.

It is an arithmetic number, because the mean of its divisors is an integer number (37777080).

Almost surely, 2275142629 is an apocalyptic number.

It is an amenable number.

275142629 is a deficient number, since it is larger than the sum of its proper divisors (27074011).

275142629 is a wasteful number, since it uses less digits than its factorization.

275142629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629659.

The product of its digits is 60480, while the sum is 38.

The square root of 275142629 is about 16587.4238204731. The cubic root of 275142629 is about 650.4081294841.

The spelling of 275142629 in words is "two hundred seventy-five million, one hundred forty-two thousand, six hundred twenty-nine".

Divisors: 1 19 23 437 629617 11962723 14481191 275142629