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82404942 = 2343319399
BaseRepresentation
bin1001110100101…
…10011001001110
312202001121022220
410322112121032
5132043424232
612102120210
72020300434
oct472263116
9182047286
1082404942
1142574064
1223720066
13140c2c29
14ad30d54
15737b42c
hex4e9664e

82404942 has 16 divisors (see below), whose sum is σ = 168643200. Its totient is φ = 26829432.

The previous prime is 82404941. The next prime is 82404989. The reversal of 82404942 is 24940428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82404941) 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, 159442 + ... + 159957.

It is an arithmetic number, because the mean of its divisors is an integer number (10540200).

Almost surely, 282404942 is an apocalyptic number.

82404942 is an abundant number, since it is smaller than the sum of its proper divisors (86238258).

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

82404942 is a wasteful number, since it uses less digits than its factorization.

82404942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319447.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 82404942 is about 9077.7167834208. The cubic root of 82404942 is about 435.1621221573.

The spelling of 82404942 in words is "eighty-two million, four hundred four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 43 86 129 258 319399 638798 958197 1916394 13734157 27468314 41202471 82404942