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40052319 = 347284059
BaseRepresentation
bin1001100011001…
…0011001011111
32210100212110020
42120302121133
540223133234
63550243223
7664303416
oct230623137
983325406
1040052319
112067699a
12114b6513
1383b45c8
14546847d
1537b2549
hex263265f

40052319 has 8 divisors (see below), whose sum is σ = 54539520. Its totient is φ = 26133336.

The previous prime is 40052317. The next prime is 40052339. The reversal of 40052319 is 91325004.

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

It is not a de Polignac number, because 40052319 - 21 = 40052317 is a prime.

It is a super-2 number, since 2×400523192 = 3208376514555522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40052317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141889 + ... + 142170.

It is an arithmetic number, because the mean of its divisors is an integer number (6817440).

Almost surely, 240052319 is an apocalyptic number.

40052319 is a deficient number, since it is larger than the sum of its proper divisors (14487201).

40052319 is a wasteful number, since it uses less digits than its factorization.

40052319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284109.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40052319 is about 6328.6901488381. The cubic root of 40052319 is about 342.1442314257.

The spelling of 40052319 in words is "forty million, fifty-two thousand, three hundred nineteen".

Divisors: 1 3 47 141 284059 852177 13350773 40052319