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71344433 = 733672663
BaseRepresentation
bin1000100000010…
…10000100110001
311222020200011102
410100022010301
5121231010213
611025054145
71524263156
oct420120461
9158220142
1071344433
11372aa146
121ba87355
1311a1c754
14969222d
1563e4158
hex440a131

71344433 has 8 divisors (see below), whose sum is σ = 72546048. Its totient is φ = 70149024.

The previous prime is 71344381. The next prime is 71344451. The reversal of 71344433 is 33444317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71344433 - 212 = 71340337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71344396 and 71344405.

It is not an unprimeable number, because it can be changed into a prime (71344453) 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, 25460 + ... + 28122.

It is an arithmetic number, because the mean of its divisors is an integer number (9068256).

Almost surely, 271344433 is an apocalyptic number.

71344433 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

71344433 is a deficient number, since it is larger than the sum of its proper divisors (1201615).

71344433 is a wasteful number, since it uses less digits than its factorization.

71344433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103.

The product of its digits is 12096, while the sum is 29.

The square root of 71344433 is about 8446.5633840042. The cubic root of 71344433 is about 414.7502886392.

The spelling of 71344433 in words is "seventy-one million, three hundred forty-four thousand, four hundred thirty-three".

Divisors: 1 73 367 2663 26791 194399 977321 71344433