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16957049 = 23737263
BaseRepresentation
bin100000010101…
…1111001111001
31011220111200212
41000223321321
513320111144
61403240505
7264063314
oct100537171
934814625
1016957049
11963209a
125819135
133689375
14237597b
15174e49e
hex102be79

16957049 has 4 divisors (see below), whose sum is σ = 17694336. Its totient is φ = 16219764.

The previous prime is 16957043. The next prime is 16957051. The reversal of 16957049 is 94075961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16957049 - 212 = 16952953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16956997 and 16957015.

It is not an unprimeable number, because it can be changed into a prime (16957043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368609 + ... + 368654.

It is an arithmetic number, because the mean of its divisors is an integer number (4423584).

Almost surely, 216957049 is an apocalyptic number.

It is an amenable number.

16957049 is a deficient number, since it is larger than the sum of its proper divisors (737287).

16957049 is an equidigital number, since it uses as much as digits as its factorization.

16957049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737286.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16957049 is about 4117.8937577359. The cubic root of 16957049 is about 256.9114291529.

The spelling of 16957049 in words is "sixteen million, nine hundred fifty-seven thousand, forty-nine".

Divisors: 1 23 737263 16957049