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71049792 = 2631133641
BaseRepresentation
bin1000011110000…
…10001001000000
311221200200222210
410033002021000
5121142043132
611014502120
71521625152
oct417021100
9157620883
1071049792
1137118840
121b964940
13119485c8
149616ad2
156386bcc
hex43c2240

71049792 has 56 divisors (see below), whose sum is σ = 205081632. Its totient is φ = 21529600.

The previous prime is 71049787. The next prime is 71049793. The reversal of 71049792 is 29794017.

It is a self number, because there is not a number n which added to its sum of digits gives 71049792.

It is not an unprimeable number, because it can be changed into a prime (71049793) 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, 14709 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (3662172).

Almost surely, 271049792 is an apocalyptic number.

It is an amenable number.

71049792 is an abundant number, since it is smaller than the sum of its proper divisors (134031840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71049792 is a wasteful number, since it uses less digits than its factorization.

71049792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33667 (or 33657 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 71049792 is about 8429.1038669600. The cubic root of 71049792 is about 414.1785502561.

The spelling of 71049792 in words is "seventy-one million, forty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 704 1056 2112 33641 67282 100923 134564 201846 269128 370051 403692 538256 740102 807384 1076512 1110153 1480204 1614768 2153024 2220306 2960408 3229536 4440612 5920816 6459072 8881224 11841632 17762448 23683264 35524896 71049792