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71534270 = 257153427
BaseRepresentation
bin1000100001110…
…00011010111110
311222121022120102
410100320122332
5121303044040
611033121102
71526013503
oct420703276
9158538512
1071534270
1137419835
121bb59192
1311a87c92
1497014aa
156430515
hex44386be

71534270 has 8 divisors (see below), whose sum is σ = 128761704. Its totient is φ = 28613704.

The previous prime is 71534257. The next prime is 71534279. The reversal of 71534270 is 7243517.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71534279) 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, 3576704 + ... + 3576723.

It is an arithmetic number, because the mean of its divisors is an integer number (16095213).

Almost surely, 271534270 is an apocalyptic number.

71534270 is a deficient number, since it is larger than the sum of its proper divisors (57227434).

71534270 is a wasteful number, since it uses less digits than its factorization.

71534270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153434.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71534270 is about 8457.7934474661. The cubic root of 71534270 is about 415.1178259333.

Adding to 71534270 its reverse (7243517), we get a palindrome (78777787).

The spelling of 71534270 in words is "seventy-one million, five hundred thirty-four thousand, two hundred seventy".

Divisors: 1 2 5 10 7153427 14306854 35767135 71534270