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16740007 = 195711543
BaseRepresentation
bin111111110110…
…111010100111
31011111110222021
4333312322213
513241140012
61354444011
7262200454
oct77667247
934443867
1016740007
1194a4019
125733607
13361163b
14231a82b
15170a007
hexff6ea7

16740007 has 8 divisors (see below), whose sum is σ = 17663360. Its totient is φ = 15820920.

The previous prime is 16739993. The next prime is 16740023. The reversal of 16740007 is 70004761.

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

It is a de Polignac number, because none of the positive numbers 2k-16740007 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 (16740077) 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, 10078 + ... + 11620.

It is an arithmetic number, because the mean of its divisors is an integer number (2207920).

Almost surely, 216740007 is an apocalyptic number.

16740007 is a deficient number, since it is larger than the sum of its proper divisors (923353).

16740007 is a wasteful number, since it uses less digits than its factorization.

16740007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

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

The square root of 16740007 is about 4091.4553645372. The cubic root of 16740007 is about 255.8106051550.

Adding to 16740007 its reverse (70004761), we get a palindrome (86744768).

The spelling of 16740007 in words is "sixteen million, seven hundred forty thousand, seven".

Divisors: 1 19 571 1543 10849 29317 881053 16740007