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273438061 = 1341513017
BaseRepresentation
bin10000010011000…
…101010101101101
3201001112002111121
4100103011111231
51030000004221
643044420541
76530120341
oct2023052555
9631462447
10273438061
11130392076
12776a7751
134485a990
142845b621
1519013a41
hex104c556d

273438061 has 8 divisors (see below), whose sum is σ = 301654584. Its totient is φ = 246247680.

The previous prime is 273438059. The next prime is 273438097. The reversal of 273438061 is 160834372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21104836 + 252333225 = 4594^2 + 15885^2 .

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 273438061 - 21 = 273438059 is a prime.

It is a super-3 number, since 3×2734380613 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273438041) 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, 255976 + ... + 257041.

It is an arithmetic number, because the mean of its divisors is an integer number (37706823).

Almost surely, 2273438061 is an apocalyptic number.

It is an amenable number.

273438061 is a deficient number, since it is larger than the sum of its proper divisors (28216523).

273438061 is a wasteful number, since it uses less digits than its factorization.

273438061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513071.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 273438061 is about 16535.9626571905. The cubic root of 273438061 is about 649.0622066152.

The spelling of 273438061 in words is "two hundred seventy-three million, four hundred thirty-eight thousand, sixty-one".

Divisors: 1 13 41 533 513017 6669221 21033697 273438061