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71134738 = 2291226461
BaseRepresentation
bin1000011110101…
…10111000010010
311221212000111221
410033112320102
5121202302423
611020355254
71522430623
oct417267022
9157760457
1071134738
1137176644
121b9a5b2a
131197817c
149639a4a
1563a1e5d
hex43d6e12

71134738 has 8 divisors (see below), whose sum is σ = 110381580. Its totient is φ = 34340880.

The previous prime is 71134733. The next prime is 71134747. The reversal of 71134738 is 83743117.

It can be written as a sum of positive squares in 2 ways, for example, as 71014329 + 120409 = 8427^2 + 347^2 .

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

It is not an unprimeable number, because it can be changed into a prime (71134733) 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 3 ways as a sum of consecutive naturals, for example, 613173 + ... + 613288.

Almost surely, 271134738 is an apocalyptic number.

71134738 is a deficient number, since it is larger than the sum of its proper divisors (39246842).

71134738 is a wasteful number, since it uses less digits than its factorization.

71134738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226492.

The product of its digits is 14112, while the sum is 34.

The square root of 71134738 is about 8434.1412129511. The cubic root of 71134738 is about 414.3435462780.

The spelling of 71134738 in words is "seventy-one million, one hundred thirty-four thousand, seven hundred thirty-eight".

Divisors: 1 2 29 58 1226461 2452922 35567369 71134738