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4215992 = 2311232083
BaseRepresentation
bin10000000101010010111000
321221012020212
4100011102320
52034402432
6230210252
750556344
oct20052270
97835225
104215992
11241a5a0
1214b3988
13b47c91
147ba624
155842b2
hex4054b8

4215992 has 32 divisors (see below), whose sum is σ = 9002880. Its totient is φ = 1832160.

The previous prime is 4215979. The next prime is 4216001. The reversal of 4215992 is 2995124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (281340).

Almost surely, 24215992 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 4215992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4501440).

4215992 is an abundant number, since it is smaller than the sum of its proper divisors (4786888).

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

4215992 is a wasteful number, since it uses less digits than its factorization.

4215992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123 (or 2119 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 4215992 is about 2053.2880947398. The cubic root of 4215992 is about 161.5473826342.

The spelling of 4215992 in words is "four million, two hundred fifteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 2083 4166 8332 16664 22913 45826 47909 91652 95818 183304 191636 383272 526999 1053998 2107996 4215992