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40115013 = 323581377
BaseRepresentation
bin1001100100000…
…1101101000101
32210111001110020
42121001231011
540232140023
63551445353
7664654251
oct231015505
983431406
1040115013
112070a004
1211526859
138406cc3
145483261
1537c5de3
hex2641b45

40115013 has 8 divisors (see below), whose sum is σ = 55812288. Its totient is φ = 25580544.

The previous prime is 40114981. The next prime is 40115039. The reversal of 40115013 is 31051104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40115013 - 25 = 40114981 is a prime.

It is a super-3 number, since 3×401150133 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40114983 and 40115001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290620 + ... + 290757.

It is an arithmetic number, because the mean of its divisors is an integer number (6976536).

Almost surely, 240115013 is an apocalyptic number.

It is an amenable number.

40115013 is a deficient number, since it is larger than the sum of its proper divisors (15697275).

40115013 is a wasteful number, since it uses less digits than its factorization.

40115013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581403.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 40115013 is about 6333.6413697020. The cubic root of 40115013 is about 342.3226581151.

Adding to 40115013 its reverse (31051104), we get a palindrome (71166117).

The spelling of 40115013 in words is "forty million, one hundred fifteen thousand, thirteen".

Divisors: 1 3 23 69 581377 1744131 13371671 40115013