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41072143 = 72838207
BaseRepresentation
bin1001110010101…
…1011000001111
32212021200101111
42130223120033
541003302033
64024152451
71006051600
oct234533017
985250344
1041072143
1121203122
1211908727
138680858
145651da7
1539147cd
hex272b60f

41072143 has 6 divisors (see below), whose sum is σ = 47777856. Its totient is φ = 35204652.

The previous prime is 41072131. The next prime is 41072159. The reversal of 41072143 is 34127014.

It is not a de Polignac number, because 41072143 - 217 = 40941071 is a prime.

It is a super-2 number, since 2×410721432 = 3373841861224898, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41072443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419055 + ... + 419152.

It is an arithmetic number, because the mean of its divisors is an integer number (7962976).

Almost surely, 241072143 is an apocalyptic number.

41072143 is a deficient number, since it is larger than the sum of its proper divisors (6705713).

41072143 is an equidigital number, since it uses as much as digits as its factorization.

41072143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838221 (or 838214 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 41072143 is about 6408.7551833410. The cubic root of 41072143 is about 345.0238532832.

Adding to 41072143 its reverse (34127014), we get a palindrome (75199157).

The spelling of 41072143 in words is "forty-one million, seventy-two thousand, one hundred forty-three".

Divisors: 1 7 49 838207 5867449 41072143