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40312794 = 2319353621
BaseRepresentation
bin1001100111000…
…1111111011010
32210212002202110
42121301333122
540310002134
64000013150
7666440004
oct231617732
983762673
1040312794
1120834665
12116011b6
138476032
1454d5374
1538147e9
hex2671fda

40312794 has 16 divisors (see below), whose sum is σ = 84869280. Its totient is φ = 12730320.

The previous prime is 40312787. The next prime is 40312819. The reversal of 40312794 is 49721304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176697 + ... + 176924.

It is an arithmetic number, because the mean of its divisors is an integer number (5304330).

Almost surely, 240312794 is an apocalyptic number.

40312794 is an abundant number, since it is smaller than the sum of its proper divisors (44556486).

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

40312794 is a wasteful number, since it uses less digits than its factorization.

40312794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353645.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40312794 is about 6349.2357020353. The cubic root of 40312794 is about 342.8843260689.

The spelling of 40312794 in words is "forty million, three hundred twelve thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 353621 707242 1060863 2121726 6718799 13437598 20156397 40312794