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40070886 = 23193131123
BaseRepresentation
bin1001100011011…
…0111011100110
32210101210220220
42120312323212
540224232021
63550505210
7664411512
oct230667346
983353826
1040070886
1120689939
1211505206
1383bcbab
145471142
1537b7cc6
hex2636ee6

40070886 has 32 divisors (see below), whose sum is σ = 84704640. Its totient is φ = 12602304.

The previous prime is 40070869. The next prime is 40070893. The reversal of 40070886 is 68807004.

It is a Curzon number.

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, 35121 + ... + 36243.

It is an arithmetic number, because the mean of its divisors is an integer number (2647020).

Almost surely, 240070886 is an apocalyptic number.

40070886 is an abundant number, since it is smaller than the sum of its proper divisors (44633754).

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

40070886 is a wasteful number, since it uses less digits than its factorization.

40070886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 40070886 is about 6330.1568700941. The cubic root of 40070886 is about 342.1970923730.

The spelling of 40070886 in words is "forty million, seventy thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 19 38 57 114 313 626 939 1123 1878 2246 3369 5947 6738 11894 17841 21337 35682 42674 64011 128022 351499 702998 1054497 2108994 6678481 13356962 20035443 40070886