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16870252 = 2271921669
BaseRepresentation
bin100000001011…
…0101101101100
31011202002122011
41000112231230
513304322002
61401331004
7263252260
oct100265554
934662564
1016870252
119582963
125796a64
1336589c9
1423520a0
1517338d7
hex1016b6c

16870252 has 36 divisors (see below), whose sum is σ = 35631120. Its totient is φ = 6845472.

The previous prime is 16870219. The next prime is 16870289. The reversal of 16870252 is 25207861.

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 11 ways as a sum of consecutive naturals, for example, 9274 + ... + 10942.

Almost surely, 216870252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16870252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17815560).

16870252 is an abundant number, since it is smaller than the sum of its proper divisors (18760868).

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

16870252 is a wasteful number, since it uses less digits than its factorization.

16870252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 16870252 is about 4107.3412324763. The cubic root of 16870252 is about 256.4723335500.

The spelling of 16870252 in words is "sixteen million, eight hundred seventy thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 361 532 722 1444 1669 2527 3338 5054 6676 10108 11683 23366 31711 46732 63422 126844 221977 443954 602509 887908 1205018 2410036 4217563 8435126 16870252