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71356052 = 2217839013
BaseRepresentation
bin1000100000011…
…00111010010100
311222021021002202
410100030322110
5121231343202
611025224032
71524342065
oct420147224
9158237082
1071356052
1137307949
121ba92018
1311a24b21
14969656c
1563e7802
hex440ce94

71356052 has 6 divisors (see below), whose sum is σ = 124873098. Its totient is φ = 35678024.

The previous prime is 71355983. The next prime is 71356057. The reversal of 71356052 is 25065317.

It can be written as a sum of positive squares in only one way, i.e., 57547396 + 13808656 = 7586^2 + 3716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71356057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8919503 + ... + 8919510.

It is an arithmetic number, because the mean of its divisors is an integer number (20812183).

Almost surely, 271356052 is an apocalyptic number.

It is an amenable number.

71356052 is a deficient number, since it is larger than the sum of its proper divisors (53517046).

71356052 is a wasteful number, since it uses less digits than its factorization.

71356052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839017 (or 17839015 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 71356052 is about 8447.2511505223. The cubic root of 71356052 is about 414.7728025286.

It can be divided in two parts, 713 and 56052, that added together give a palindrome (56765).

The spelling of 71356052 in words is "seventy-one million, three hundred fifty-six thousand, fifty-two".

Divisors: 1 2 4 17839013 35678026 71356052