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216110424 = 23331290471
BaseRepresentation
bin11001110000110…
…01010101011000
3120001122112202210
430320121111120
5420311013144
633235555120
75232623355
oct1470312530
9501575683
10216110424
11100a96a62
126045baa0
1335a081ba
14209b762c
1513e8cab9
hexce19558

216110424 has 32 divisors (see below), whose sum is σ = 557706240. Its totient is φ = 69712800.

The previous prime is 216110417. The next prime is 216110449. The reversal of 216110424 is 424011612.

It is a happy number.

It is a super-2 number, since 2×2161104242 = 93407430722919552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 216110424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144492 + ... + 145979.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2216110424 is an apocalyptic number.

216110424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216110424 is an abundant number, since it is smaller than the sum of its proper divisors (341595816).

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

216110424 is a wasteful number, since it uses less digits than its factorization.

216110424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290511 (or 290507 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 216110424 is about 14700.6946774634. The cubic root of 216110424 is about 600.1022270262.

The spelling of 216110424 in words is "two hundred sixteen million, one hundred ten thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 290471 580942 871413 1161884 1742826 2323768 3485652 6971304 9004601 18009202 27013803 36018404 54027606 72036808 108055212 216110424