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16742137 = 234611579
BaseRepresentation
bin111111110111…
…011011111001
31011111120220011
4333313123321
513241222022
61354501521
7262206616
oct77673371
934446804
1016742137
1194a5685
1257348a1
1336125b9
14231b50d
15170a977
hexff76f9

16742137 has 8 divisors (see below), whose sum is σ = 17519040. Its totient is φ = 15969360.

The previous prime is 16742123. The next prime is 16742149. The reversal of 16742137 is 73124761.

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

It is not a de Polignac number, because 16742137 - 211 = 16740089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16742099 and 16742108.

It is not an unprimeable number, because it can be changed into a prime (16742177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9814 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (2189880).

Almost surely, 216742137 is an apocalyptic number.

It is an amenable number.

16742137 is a deficient number, since it is larger than the sum of its proper divisors (776903).

16742137 is a wasteful number, since it uses less digits than its factorization.

16742137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its digits is 7056, while the sum is 31.

The square root of 16742137 is about 4091.7156548323. The cubic root of 16742137 is about 255.8214544830.

Adding to 16742137 its reverse (73124761), we get a palindrome (89866898).

The spelling of 16742137 in words is "sixteen million, seven hundred forty-two thousand, one hundred thirty-seven".

Divisors: 1 23 461 1579 10603 36317 727919 16742137