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40115495 = 571767421
BaseRepresentation
bin1001100100000…
…1110100100111
32210111002010002
42121001310213
540232143440
63551451515
7664655540
oct231016447
983432102
1040115495
112070a402
1211526b9b
1384072a4
1454834c7
1537c6115
hex2641d27

40115495 has 16 divisors (see below), whose sum is σ = 58252608. Its totient is φ = 25889280.

The previous prime is 40115459. The next prime is 40115501. The reversal of 40115495 is 59451104.

It is not a de Polignac number, because 40115495 - 28 = 40115239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33116 + ... + 34305.

It is an arithmetic number, because the mean of its divisors is an integer number (3640788).

Almost surely, 240115495 is an apocalyptic number.

40115495 is a deficient number, since it is larger than the sum of its proper divisors (18137113).

40115495 is a wasteful number, since it uses less digits than its factorization.

40115495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67450.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 40115495 is about 6333.6794203685. The cubic root of 40115495 is about 342.3240291634.

Adding to 40115495 its reverse (59451104), we get a palindrome (99566599).

The spelling of 40115495 in words is "forty million, one hundred fifteen thousand, four hundred ninety-five".

Divisors: 1 5 7 17 35 85 119 595 67421 337105 471947 1146157 2359735 5730785 8023099 40115495