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16469049 = 35489683
BaseRepresentation
bin111110110100…
…110000111001
31010222201021210
4332310300321
513204002144
61344553333
7256661502
oct76646071
933881253
1016469049
119329493
125622849
1335481cc
142289ba9
1516a4ab9
hexfb4c39

16469049 has 4 divisors (see below), whose sum is σ = 21958736. Its totient is φ = 10979364.

The previous prime is 16469027. The next prime is 16469087. The reversal of 16469049 is 94096461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94096461 = 331365487.

It is not a de Polignac number, because 16469049 - 211 = 16467001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16468998 and 16469016.

It is not an unprimeable number, because it can be changed into a prime (16469149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744839 + ... + 2744844.

It is an arithmetic number, because the mean of its divisors is an integer number (5489684).

Almost surely, 216469049 is an apocalyptic number.

It is an amenable number.

16469049 is a deficient number, since it is larger than the sum of its proper divisors (5489687).

16469049 is an equidigital number, since it uses as much as digits as its factorization.

16469049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489686.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 16469049 is about 4058.2076092778. The cubic root of 16469049 is about 254.4228855593.

The spelling of 16469049 in words is "sixteen million, four hundred sixty-nine thousand, forty-nine".

Divisors: 1 3 5489683 16469049