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40670071 = 1322314029
BaseRepresentation
bin1001101100100…
…1001101110111
32211112020211221
42123021031313
540402420241
64011411211
71002455431
oct233111567
984466757
1040670071
1120a59032
1211753b07
13856c840
145589651
1538855d1
hex26c9377

40670071 has 8 divisors (see below), whose sum is σ = 43998080. Its totient is φ = 37370592.

The previous prime is 40670041. The next prime is 40670081. The reversal of 40670071 is 17007604.

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

It is a cyclic number.

It is not a de Polignac number, because 40670071 - 223 = 32281463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670041) 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, 4116 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (5499760).

Almost surely, 240670071 is an apocalyptic number.

40670071 is a deficient number, since it is larger than the sum of its proper divisors (3328009).

40670071 is a wasteful number, since it uses less digits than its factorization.

40670071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 40670071 is about 6377.3090720146. The cubic root of 40670071 is about 343.8942994836.

Adding to 40670071 its reverse (17007604), we get a palindrome (57677675).

The spelling of 40670071 in words is "forty million, six hundred seventy thousand, seventy-one".

Divisors: 1 13 223 2899 14029 182377 3128467 40670071