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16730680 = 2352914423
BaseRepresentation
bin111111110100…
…101000111000
31011111000011211
4333310220320
513240340210
61354332504
7262131331
oct77645070
934430154
1016730680
11949800a
12572a134
13360a315
142317288
15170738a
hexff4a38

16730680 has 32 divisors (see below), whose sum is σ = 38944800. Its totient is φ = 6461056.

The previous prime is 16730663. The next prime is 16730719. The reversal of 16730680 is 8603761.

It is a congruent number.

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, 6052 + ... + 8371.

It is an arithmetic number, because the mean of its divisors is an integer number (1217025).

Almost surely, 216730680 is an apocalyptic number.

16730680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16730680 is an abundant number, since it is smaller than the sum of its proper divisors (22214120).

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

16730680 is a wasteful number, since it uses less digits than its factorization.

16730680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463 (or 14459 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16730680 is about 4090.3153912626. The cubic root of 16730680 is about 255.7630864816.

The spelling of 16730680 in words is "sixteen million, seven hundred thirty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 14423 28846 57692 72115 115384 144230 288460 418267 576920 836534 1673068 2091335 3346136 4182670 8365340 16730680