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40052741 = 1929157463
BaseRepresentation
bin1001100011001…
…0100000000101
32210100220000212
42120302200011
540223141431
63550245205
7664304561
oct230624005
983326025
1040052741
1120677243
12114b6805
1383b4861
1454686a1
1537b272b
hex2632805

40052741 has 16 divisors (see below), whose sum is σ = 43987200. Its totient is φ = 36324288.

The previous prime is 40052723. The next prime is 40052767. The reversal of 40052741 is 14725004.

It is a cyclic number.

It is not a de Polignac number, because 40052741 - 214 = 40036357 is a prime.

It is a super-2 number, since 2×400527412 = 3208444123226162, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40052041) 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, 86276 + ... + 86738.

It is an arithmetic number, because the mean of its divisors is an integer number (2749200).

Almost surely, 240052741 is an apocalyptic number.

It is an amenable number.

40052741 is a deficient number, since it is larger than the sum of its proper divisors (3934459).

40052741 is a wasteful number, since it uses less digits than its factorization.

40052741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40052741 is about 6328.7234889826. The cubic root of 40052741 is about 342.1454330570.

Adding to 40052741 its reverse (14725004), we get a palindrome (54777745).

The spelling of 40052741 in words is "forty million, fifty-two thousand, seven hundred forty-one".

Divisors: 1 19 29 157 463 551 2983 4553 8797 13427 72691 86507 255113 1381129 2108039 40052741