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16514137 = 295211093
BaseRepresentation
bin111110111111…
…110001011001
31011002000010201
4332333301121
513211423022
61345542201
7260240113
oct76776131
934060121
1016514137
11935a352
125644961
1335628a3
14229c3b3
1516b3127
hexfbfc59

16514137 has 8 divisors (see below), whose sum is σ = 17132040. Its totient is φ = 15899520.

The previous prime is 16514101. The next prime is 16514143. The reversal of 16514137 is 73141561.

It can be written as a sum of positive squares in 4 ways, for example, as 5683456 + 10830681 = 2384^2 + 3291^2 .

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 16514137 - 223 = 8125529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16514237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14563 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (2141505).

Almost surely, 216514137 is an apocalyptic number.

It is an amenable number.

16514137 is a deficient number, since it is larger than the sum of its proper divisors (617903).

16514137 is a wasteful number, since it uses less digits than its factorization.

16514137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 2520, while the sum is 28.

The square root of 16514137 is about 4063.7589741519. The cubic root of 16514137 is about 254.6548553665.

Adding to 16514137 its reverse (73141561), we get a palindrome (89655698).

The spelling of 16514137 in words is "sixteen million, five hundred fourteen thousand, one hundred thirty-seven".

Divisors: 1 29 521 1093 15109 31697 569453 16514137