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16945230 = 235683827
BaseRepresentation
bin100000010100…
…1000001001110
31011212220111010
41000221001032
513314221410
61403110050
7264014001
oct100510116
934786433
1016945230
119624225
125812326
133683b83
142371538
15174ac20
hex102904e

16945230 has 32 divisors (see below), whose sum is σ = 40777344. Its totient is φ = 4506656.

The previous prime is 16945219. The next prime is 16945241. The reversal of 16945230 is 3254961.

It is an interprime number because it is at equal distance from previous prime (16945219) and next prime (16945241).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077 + ... + 20903.

It is an arithmetic number, because the mean of its divisors is an integer number (1274292).

Almost surely, 216945230 is an apocalyptic number.

16945230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16945230 is an abundant number, since it is smaller than the sum of its proper divisors (23832114).

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

16945230 is a wasteful number, since it uses less digits than its factorization.

16945230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16945230 is about 4116.4584292812. The cubic root of 16945230 is about 256.8517265101.

The spelling of 16945230 in words is "sixteen million, nine hundred forty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 683 827 1366 1654 2049 2481 3415 4098 4135 4962 6830 8270 10245 12405 20490 24810 564841 1129682 1694523 2824205 3389046 5648410 8472615 16945230