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82969533 = 32232771447
BaseRepresentation
bin1001111001000…
…00001110111101
312210010021210200
410330200032331
5132220011113
612122154113
72025141453
oct474401675
9183107720
1082969533
114291a269
1223952939
131425cbca
14b03a9d3
15743d873
hex4f203bd

82969533 has 24 divisors (see below), whose sum is σ = 125593728. Its totient is φ = 52680672.

The previous prime is 82969531. The next prime is 82969541. The reversal of 82969533 is 33596928.

It is not a de Polignac number, because 82969533 - 21 = 82969531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82969531) 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, 56616 + ... + 58062.

It is an arithmetic number, because the mean of its divisors is an integer number (5233072).

Almost surely, 282969533 is an apocalyptic number.

It is an amenable number.

82969533 is a deficient number, since it is larger than the sum of its proper divisors (42624195).

82969533 is a wasteful number, since it uses less digits than its factorization.

82969533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1750 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 82969533 is about 9108.7613318167. The cubic root of 82969533 is about 436.1536874380.

The spelling of 82969533 in words is "eighty-two million, nine hundred sixty-nine thousand, five hundred thirty-three".

Divisors: 1 3 9 23 69 207 277 831 1447 2493 4341 6371 13023 19113 33281 57339 99843 299529 400819 1202457 3607371 9218837 27656511 82969533