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70090782 = 2326214457
BaseRepresentation
bin1000010110110…
…00000000011110
311212212222110220
410023120000132
5120420401112
610542142210
71510522206
oct413300036
9155788426
1070090782
1136623273
121b581966
13116a0c48
149447406
15624798c
hex42d801e

70090782 has 16 divisors (see below), whose sum is σ = 140266512. Its totient is φ = 23349440.

The previous prime is 70090763. The next prime is 70090789. The reversal of 70090782 is 28709007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70090789) 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, 13498 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (8766657).

Almost surely, 270090782 is an apocalyptic number.

70090782 is an abundant number, since it is smaller than the sum of its proper divisors (70175730).

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

70090782 is a wasteful number, since it uses less digits than its factorization.

70090782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 70090782 is about 8372.0237696748. The cubic root of 70090782 is about 412.3066142191.

Adding to 70090782 its reverse (28709007), we get a palindrome (98799789).

The spelling of 70090782 in words is "seventy million, ninety thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 2621 4457 5242 7863 8914 13371 15726 26742 11681797 23363594 35045391 70090782