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82033290 = 2335303827
BaseRepresentation
bin1001110001110…
…11101010001010
312201100201112000
410320323222022
5132000031130
612050131430
72014162053
oct470735212
9181321460
1082033290
114233a909
1223580b76
1313cc2a11
14ac7572a
157306260
hex4e3ba8a

82033290 has 32 divisors (see below), whose sum is σ = 218756160. Its totient is φ = 21875472.

The previous prime is 82033277. The next prime is 82033307. The reversal of 82033290 is 9233028.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151644 + ... + 152183.

It is an arithmetic number, because the mean of its divisors is an integer number (6836130).

Almost surely, 282033290 is an apocalyptic number.

82033290 is an abundant number, since it is smaller than the sum of its proper divisors (136722870).

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

82033290 is a wasteful number, since it uses less digits than its factorization.

82033290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303843 (or 303837 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 82033290 is about 9057.2230843675. The cubic root of 82033290 is about 434.5069324067.

The spelling of 82033290 in words is "eighty-two million, thirty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 303827 607654 911481 1519135 1822962 2734443 3038270 4557405 5468886 8203329 9114810 13672215 16406658 27344430 41016645 82033290