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16002940 = 22519231831
BaseRepresentation
bin111101000010…
…111101111100
31010010000220111
4331002331330
513044043230
61330555404
7253010542
oct75027574
933100814
1016002940
119040278
125438b64
133413cc5
1421a7d92
15161192a
hexf42f7c

16002940 has 48 divisors (see below), whose sum is σ = 36933120. Its totient is φ = 5797440.

The previous prime is 16002937. The next prime is 16002949. The reversal of 16002940 is 4920061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16002949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7825 + ... + 9655.

It is an arithmetic number, because the mean of its divisors is an integer number (769440).

Almost surely, 216002940 is an apocalyptic number.

16002940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16002940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18466560).

16002940 is an abundant number, since it is smaller than the sum of its proper divisors (20930180).

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

16002940 is a wasteful number, since it uses less digits than its factorization.

16002940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 16002940 is about 4000.3674831195. The cubic root of 16002940 is about 251.9996430666. Note that the first 3 decimals are identical.

The spelling of 16002940 in words is "sixteen million, two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 1831 2185 3662 4370 7324 8740 9155 18310 34789 36620 42113 69578 84226 139156 168452 173945 210565 347890 421130 695780 800147 842260 1600294 3200588 4000735 8001470 16002940