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16679444 = 22131139229
BaseRepresentation
bin111111101000…
…001000010100
31011101101220012
4333220020110
513232220234
61353255352
7261526055
oct77501024
934341805
1016679444
119462571
125704558
1335bcbc2
14230272c
1516e70ce
hexfe8214

16679444 has 24 divisors (see below), whose sum is σ = 29752800. Its totient is φ = 8180640.

The previous prime is 16679423. The next prime is 16679479. The reversal of 16679444 is 44497661.

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, 72722 + ... + 72950.

It is an arithmetic number, because the mean of its divisors is an integer number (1239700).

Almost surely, 216679444 is an apocalyptic number.

It is an amenable number.

16679444 is a deficient number, since it is larger than the sum of its proper divisors (13073356).

16679444 is a wasteful number, since it uses less digits than its factorization.

16679444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 501 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 16679444 is about 4084.0475021723. The cubic root of 16679444 is about 255.5017367309.

It can be divided in two parts, 16679 and 444, that multiplied together give a triangular number (7405476 = T3848).

The spelling of 16679444 in words is "sixteen million, six hundred seventy-nine thousand, four hundred forty-four".

Divisors: 1 2 4 131 139 229 262 278 458 524 556 916 18209 29999 31831 36418 59998 63662 72836 119996 127324 4169861 8339722 16679444