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16870001 = 173832591
BaseRepresentation
bin100000001011…
…0101001110001
31011202002021212
41000112221301
513304320001
61401325505
7263251451
oct100265161
934662255
1016870001
119582755
125796895
133658865
142351d61
1517337bb
hex1016a71

16870001 has 8 divisors (see below), whose sum is σ = 17915904. Its totient is φ = 15830080.

The previous prime is 16869991. The next prime is 16870019. The reversal of 16870001 is 10007861.

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 16870001 - 210 = 16868977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16870901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5216 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (2239488).

Almost surely, 216870001 is an apocalyptic number.

It is an amenable number.

16870001 is a deficient number, since it is larger than the sum of its proper divisors (1045903).

16870001 is a wasteful number, since it uses less digits than its factorization.

16870001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 16870001 is about 4107.3106773167. The cubic root of 16870001 is about 256.4710615897.

Adding to 16870001 its reverse (10007861), we get a palindrome (26877862).

The spelling of 16870001 in words is "sixteen million, eight hundred seventy thousand, one".

Divisors: 1 17 383 2591 6511 44047 992353 16870001