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16472497 = 71232007
BaseRepresentation
bin111110110101…
…100110110001
31010222220000111
4332311212301
513204104442
61345021321
7260004526
oct76654661
933886014
1016472497
119331038
125624841
133549952
14228b14d
1516a5b17
hexfb59b1

16472497 has 4 divisors (see below), whose sum is σ = 16704576. Its totient is φ = 16240420.

The previous prime is 16472471. The next prime is 16472503. The reversal of 16472497 is 79427461.

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: 79427461 = 550714423.

It is a cyclic number.

It is not a de Polignac number, because 16472497 - 219 = 15948209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16452497) 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, 115933 + ... + 116074.

It is an arithmetic number, because the mean of its divisors is an integer number (4176144).

Almost surely, 216472497 is an apocalyptic number.

It is an amenable number.

16472497 is a deficient number, since it is larger than the sum of its proper divisors (232079).

16472497 is an equidigital number, since it uses as much as digits as its factorization.

16472497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232078.

The product of its digits is 84672, while the sum is 40.

The square root of 16472497 is about 4058.6324051335. The cubic root of 16472497 is about 254.4406398510.

The spelling of 16472497 in words is "sixteen million, four hundred seventy-two thousand, four hundred ninety-seven".

Divisors: 1 71 232007 16472497