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71023433 = 1321759419
BaseRepresentation
bin1000011101110…
…11101101001001
311221122100211112
410032323231021
5121140222213
611014140105
71521455255
oct416735511
9157570745
1071023433
11370aaa58
121b951635
1311939600
14960b265
15637dea8
hex43bbb49

71023433 has 24 divisors (see below), whose sum is σ = 83008800. Its totient is φ = 60513024.

The previous prime is 71023429. The next prime is 71023451. The reversal of 71023433 is 33432017.

It is a happy number.

It is not a de Polignac number, because 71023433 - 22 = 71023429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71023399 and 71023408.

It is not an unprimeable number, because it can be changed into a prime (71023633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169298 + ... + 169716.

It is an arithmetic number, because the mean of its divisors is an integer number (3458700).

Almost surely, 271023433 is an apocalyptic number.

It is an amenable number.

71023433 is a deficient number, since it is larger than the sum of its proper divisors (11985367).

71023433 is a wasteful number, since it uses less digits than its factorization.

71023433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 71023433 is about 8427.5401511948. The cubic root of 71023433 is about 414.1273247589.

The spelling of 71023433 in words is "seventy-one million, twenty-three thousand, four hundred thirty-three".

Divisors: 1 13 17 59 169 221 419 767 1003 2873 5447 7123 9971 13039 24721 70811 92599 169507 321373 420257 1203787 4177849 5463341 71023433