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16806870 = 2325186743
BaseRepresentation
bin100000000011…
…1001111010110
31011121212200200
41000013033112
513300304440
61400121330
7262566423
oct100071726
934555620
1016806870
11953a283
125766246
133635bc2
142336d4a
15171ec30
hex10073d6

16806870 has 24 divisors (see below), whose sum is σ = 43698096. Its totient is φ = 4481808.

The previous prime is 16806869. The next prime is 16806877. The reversal of 16806870 is 7860861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16806877) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 93282 + ... + 93461.

It is an arithmetic number, because the mean of its divisors is an integer number (1820754).

Almost surely, 216806870 is an apocalyptic number.

16806870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16806870 is an abundant number, since it is smaller than the sum of its proper divisors (26891226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16806870 is a wasteful number, since it uses less digits than its factorization.

16806870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186756 (or 186753 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 16806870 is about 4099.6182749129. The cubic root of 16806870 is about 256.1507392671.

The spelling of 16806870 in words is "sixteen million, eight hundred six thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 186743 373486 560229 933715 1120458 1680687 1867430 2801145 3361374 5602290 8403435 16806870