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40116279 = 377924181
BaseRepresentation
bin1001100100001…
…0000000110111
32210111010012010
42121002000313
540232210104
63551455303
7664661040
oct231020067
983433163
1040116279
112070aa55
1211527533
138407758
1454838c7
1537c6489
hex2642037

40116279 has 16 divisors (see below), whose sum is σ = 61905920. Its totient is φ = 22632480.

The previous prime is 40116269. The next prime is 40116281. The reversal of 40116279 is 97261104.

It is a happy number.

It is not a de Polignac number, because 40116279 - 25 = 40116247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40116269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10432 + ... + 13749.

It is an arithmetic number, because the mean of its divisors is an integer number (3869120).

Almost surely, 240116279 is an apocalyptic number.

40116279 is a deficient number, since it is larger than the sum of its proper divisors (21789641).

40116279 is a wasteful number, since it uses less digits than its factorization.

40116279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 40116279 is about 6333.7413114209. The cubic root of 40116279 is about 342.3262592268.

The spelling of 40116279 in words is "forty million, one hundred sixteen thousand, two hundred seventy-nine".

Divisors: 1 3 7 21 79 237 553 1659 24181 72543 169267 507801 1910299 5730897 13372093 40116279