Search a number
-
+
40300015 = 577315773
BaseRepresentation
bin1001100110111…
…0110111101111
32210211110020011
42121232313233
540304100030
63555434051
7666354520
oct231566757
983743204
1040300015
1120825aa8
12115b5927
138470282
1454d0847
153810b2a
hex266edef

40300015 has 16 divisors (see below), whose sum is σ = 56029248. Its totient is φ = 27254016.

The previous prime is 40299989. The next prime is 40300019. The reversal of 40300015 is 51000304.

It is a cyclic number.

It is not a de Polignac number, because 40300015 - 215 = 40267247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40299968 and 40300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300019) 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, 5332 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (3501828).

Almost surely, 240300015 is an apocalyptic number.

40300015 is a deficient number, since it is larger than the sum of its proper divisors (15729233).

40300015 is a wasteful number, since it uses less digits than its factorization.

40300015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40300015 is about 6348.2292806735. The cubic root of 40300015 is about 342.8480912376.

Adding to 40300015 its reverse (51000304), we get a palindrome (91300319).

The spelling of 40300015 in words is "forty million, three hundred thousand, fifteen".

Divisors: 1 5 7 35 73 365 511 2555 15773 78865 110411 552055 1151429 5757145 8060003 40300015