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71024230 = 2523308801
BaseRepresentation
bin1000011101110…
…11111001100110
311221122101221001
410032323321212
5121140233410
611014143514
71521460504
oct416737146
9157571831
1071024230
1137100612
121b951b9a
1311939a94
14960b674
15637e33a
hex43bbe66

71024230 has 16 divisors (see below), whose sum is σ = 133402464. Its totient is φ = 27174400.

The previous prime is 71024197. The next prime is 71024237. The reversal of 71024230 is 3242017.

It is a junction number, because it is equal to n+sod(n) for n = 71024198 and 71024207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71024237) 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, 154171 + ... + 154630.

It is an arithmetic number, because the mean of its divisors is an integer number (8337654).

Almost surely, 271024230 is an apocalyptic number.

71024230 is a deficient number, since it is larger than the sum of its proper divisors (62378234).

71024230 is a wasteful number, since it uses less digits than its factorization.

71024230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308831.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 71024230 is about 8427.5874365087. The cubic root of 71024230 is about 414.1288738169.

Adding to 71024230 its reverse (3242017), we get a palindrome (74266247).

The spelling of 71024230 in words is "seventy-one million, twenty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 308801 617602 1544005 3088010 7102423 14204846 35512115 71024230