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82481070 = 2357392767
BaseRepresentation
bin1001110101010…
…00111110101110
312202012110202110
410322220332232
5132103343240
612103504450
72021035410
oct472507656
9182173673
1082481070
1142616281
1223758126
131411b789
14ad509b0
157393c80
hex4ea8fae

82481070 has 32 divisors (see below), whose sum is σ = 226234368. Its totient is φ = 18852768.

The previous prime is 82481041. The next prime is 82481101. The reversal of 82481070 is 7018428.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 196174 + ... + 196593.

It is an arithmetic number, because the mean of its divisors is an integer number (7069824).

Almost surely, 282481070 is an apocalyptic number.

82481070 is an abundant number, since it is smaller than the sum of its proper divisors (143753298).

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

82481070 is a wasteful number, since it uses less digits than its factorization.

82481070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392784.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 82481070 is about 9081.9089403054. The cubic root of 82481070 is about 435.2960859097.

Adding to 82481070 its reverse (7018428), we get a palindrome (89499498).

The spelling of 82481070 in words is "eighty-two million, four hundred eighty-one thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 392767 785534 1178301 1963835 2356602 2749369 3927670 5498738 5891505 8248107 11783010 13746845 16496214 27493690 41240535 82481070