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16897370 = 257241391
BaseRepresentation
bin100000001110…
…1010101011010
31011210110211112
41000131111122
513311203440
61402100322
7263424320
oct100352532
934713745
1016897370
1195a1276
1257aa6a2
133668159
14235bd10
15173b965
hex101d55a

16897370 has 16 divisors (see below), whose sum is σ = 34760448. Its totient is φ = 5793360.

The previous prime is 16897369. The next prime is 16897381. The reversal of 16897370 is 7379861.

It is a super-2 number, since 2×168973702 = 571042225833800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120626 + ... + 120765.

It is an arithmetic number, because the mean of its divisors is an integer number (2172528).

Almost surely, 216897370 is an apocalyptic number.

16897370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16897370 is an abundant number, since it is smaller than the sum of its proper divisors (17863078).

16897370 is a wasteful number, since it uses less digits than its factorization.

16897370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241405.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 16897370 is about 4110.6410692251. The cubic root of 16897370 is about 256.6096816952.

The spelling of 16897370 in words is "sixteen million, eight hundred ninety-seven thousand, three hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 241391 482782 1206955 1689737 2413910 3379474 8448685 16897370