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16673420 = 2251515521
BaseRepresentation
bin111111100110…
…101010001100
31011101002122002
4333212222030
513232022140
61353211432
7261502361
oct77465214
934332562
1016673420
119458a95
125700b78
1335ba23a
142300468
1516e5415
hexfe6a8c

16673420 has 24 divisors (see below), whose sum is σ = 35252448. Its totient is φ = 6624000.

The previous prime is 16673401. The next prime is 16673491. The reversal of 16673420 is 2437661.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 260 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (1468852).

Almost surely, 216673420 is an apocalyptic number.

16673420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16673420 is an abundant number, since it is smaller than the sum of its proper divisors (18579028).

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

16673420 is a wasteful number, since it uses less digits than its factorization.

16673420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 16673420 is about 4083.3099319057. The cubic root of 16673420 is about 255.4709737592.

The spelling of 16673420 in words is "sixteen million, six hundred seventy-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 5521 11042 22084 27605 55210 110420 833671 1667342 3334684 4168355 8336710 16673420