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16679268 = 2232463313
BaseRepresentation
bin111111101000…
…000101100100
31011101101122200
4333220011210
513232214033
61353254500
7261525414
oct77500544
934341580
1016679268
119462421
125704430
1335bcab8
142302644
1516e7013
hexfe8164

16679268 has 18 divisors (see below), whose sum is σ = 42161574. Its totient is φ = 5559744.

The previous prime is 16679239. The next prime is 16679281. The reversal of 16679268 is 86297661.

16679268 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13264164 + 3415104 = 3642^2 + 1848^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231621 + ... + 231692.

Almost surely, 216679268 is an apocalyptic number.

16679268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16679268 is an abundant number, since it is smaller than the sum of its proper divisors (25482306).

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

16679268 is a wasteful number, since it uses less digits than its factorization.

16679268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463323 (or 463318 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 16679268 is about 4084.0259548637. The cubic root of 16679268 is about 255.5008380506.

The spelling of 16679268 in words is "sixteen million, six hundred seventy-nine thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 463313 926626 1389939 1853252 2779878 4169817 5559756 8339634 16679268