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40580019 = 3229181859
BaseRepresentation
bin1001101011001…
…1001110110011
32211100200022200
42122303032303
540342030034
64005434243
71001632044
oct232631663
984320280
1040580019
11209a7407
121170b983
13853a85c
1455648cb
153868a99
hex26b33b3

40580019 has 24 divisors (see below), whose sum is σ = 61042800. Its totient is φ = 25945920.

The previous prime is 40580011. The next prime is 40580021. The reversal of 40580019 is 91008504.

It is not a de Polignac number, because 40580019 - 23 = 40580011 is a prime.

It is a super-2 number, since 2×405800192 = 3293475884080722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40579974 and 40580001.

It is not an unprimeable number, because it can be changed into a prime (40580011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46812 + ... + 47670.

It is an arithmetic number, because the mean of its divisors is an integer number (2543450).

Almost surely, 240580019 is an apocalyptic number.

40580019 is a deficient number, since it is larger than the sum of its proper divisors (20462781).

40580019 is a wasteful number, since it uses less digits than its factorization.

40580019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 40580019 is about 6370.2448147618. The cubic root of 40580019 is about 343.6402940716.

The spelling of 40580019 in words is "forty million, five hundred eighty thousand, nineteen".

Divisors: 1 3 9 29 87 181 261 543 859 1629 2577 5249 7731 15747 24911 47241 74733 155479 224199 466437 1399311 4508891 13526673 40580019