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71053432 = 2310218699
BaseRepresentation
bin1000011110000…
…11000001111000
311221200212222121
410033003001320
5121142202212
611014531024
71521641602
oct417030170
9157625877
1071053432
113712054a
121b966a74
131194a168
149618172
156387d07
hex43c3078

71053432 has 16 divisors (see below), whose sum is σ = 133371000. Its totient is φ = 35487840.

The previous prime is 71053397. The next prime is 71053439. The reversal of 71053432 is 23435017.

It is a junction number, because it is equal to n+sod(n) for n = 71053397 and 71053406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71053439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3819 + ... + 12517.

Almost surely, 271053432 is an apocalyptic number.

It is an amenable number.

71053432 is a deficient number, since it is larger than the sum of its proper divisors (62317568).

71053432 is a wasteful number, since it uses less digits than its factorization.

71053432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726 (or 9722 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 71053432 is about 8429.3197827583. The cubic root of 71053432 is about 414.1856231559.

Adding to 71053432 its reverse (23435017), we get a palindrome (94488449).

The spelling of 71053432 in words is "seventy-one million, fifty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 1021 2042 4084 8168 8699 17398 34796 69592 8881679 17763358 35526716 71053432