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16000424 = 23111731051
BaseRepresentation
bin111101000010…
…010110101000
31010002220110022
4331002112220
513044003144
61330540012
7253000316
oct75022650
933086408
1016000424
1190393a0
125437608
133412b0b
1421a70b6
151610cee
hexf425a8

16000424 has 32 divisors (see below), whose sum is σ = 32948640. Its totient is φ = 7224000.

The previous prime is 16000409. The next prime is 16000447. The reversal of 16000424 is 42400061.

It is a congruent number.

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, 14699 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (1029645).

Almost surely, 216000424 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 16000424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16474320).

16000424 is an abundant number, since it is smaller than the sum of its proper divisors (16948216).

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

16000424 is a wasteful number, since it uses less digits than its factorization.

16000424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 16000424 is about 4000.0529996489. The cubic root of 16000424 is about 251.9864358198.

Adding to 16000424 its reverse (42400061), we get a palindrome (58400485).

The spelling of 16000424 in words is "sixteen million, four hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 4 8 11 22 44 88 173 346 692 1051 1384 1903 2102 3806 4204 7612 8408 11561 15224 23122 46244 92488 181823 363646 727292 1454584 2000053 4000106 8000212 16000424