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40135045 = 5175359151
BaseRepresentation
bin1001100100011…
…0100110000101
32210112001221011
42121012212011
540233310140
63552122221
7665066536
oct231064605
983461834
1040135045
1120723065
1211536371
138413162
14548a68d
1537cbcea
hex2646985

40135045 has 32 divisors (see below), whose sum is σ = 53187840. Its totient is φ = 28953600.

The previous prime is 40135037. The next prime is 40135063. The reversal of 40135045 is 54053104.

It is not a de Polignac number, because 40135045 - 23 = 40135037 is a prime.

It is a super-2 number, since 2×401350452 = 3221643674304050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 265720 + ... + 265870.

It is an arithmetic number, because the mean of its divisors is an integer number (1662120).

Almost surely, 240135045 is an apocalyptic number.

It is an amenable number.

40135045 is a deficient number, since it is larger than the sum of its proper divisors (13052795).

40135045 is a wasteful number, since it uses less digits than its factorization.

40135045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40135045 is about 6335.2225690973. Note that the first 3 decimals coincide. The cubic root of 40135045 is about 342.3796298558.

Adding to 40135045 its reverse (54053104), we get a palindrome (94188149).

The spelling of 40135045 in words is "forty million, one hundred thirty-five thousand, forty-five".

Divisors: 1 5 17 53 59 85 151 265 295 755 901 1003 2567 3127 4505 5015 8003 8909 12835 15635 40015 44545 53159 136051 151453 265795 472177 680255 757265 2360885 8027009 40135045