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71426744 = 2379113017
BaseRepresentation
bin1000100000111…
…10001010111000
311222101212001222
410100132022320
5121241123434
611030531212
71525055144
oct420361270
9158355058
1071426744
1137355a74
121bb06b08
1311a4b05c
1496b4224
15640d72e
hex441e2b8

71426744 has 16 divisors (see below), whose sum is σ = 135621600. Its totient is φ = 35260992.

The previous prime is 71426743. The next prime is 71426749. The reversal of 71426744 is 44762417.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71426743) 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, 55877 + ... + 57140.

It is an arithmetic number, because the mean of its divisors is an integer number (8476350).

Almost surely, 271426744 is an apocalyptic number.

It is an amenable number.

71426744 is a deficient number, since it is larger than the sum of its proper divisors (64194856).

71426744 is a wasteful number, since it uses less digits than its factorization.

71426744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113102 (or 113098 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 71426744 is about 8451.4344344614. The cubic root of 71426744 is about 414.9097282726.

The spelling of 71426744 in words is "seventy-one million, four hundred twenty-six thousand, seven hundred forty-four".

Divisors: 1 2 4 8 79 158 316 632 113017 226034 452068 904136 8928343 17856686 35713372 71426744