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16945499 = 31717699
BaseRepresentation
bin100000010100…
…1000101011011
31011212220212002
41000221011123
513314223444
61403111215
7264014534
oct100510533
934786762
1016945499
11962444a
12581250b
13368402c
14237168b
15174ad4e
hex102915b

16945499 has 8 divisors (see below), whose sum is σ = 17740800. Its totient is φ = 16165800.

The previous prime is 16945463. The next prime is 16945501. The reversal of 16945499 is 99454961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16945499 - 212 = 16941403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16945429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 216945499 is an apocalyptic number.

16945499 is a deficient number, since it is larger than the sum of its proper divisors (795301).

16945499 is an equidigital number, since it uses as much as digits as its factorization.

16945499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801.

The product of its digits is 349920, while the sum is 47.

The square root of 16945499 is about 4116.4911028690. The cubic root of 16945499 is about 256.8530856487.

The spelling of 16945499 in words is "sixteen million, nine hundred forty-five thousand, four hundred ninety-nine".

Divisors: 1 31 71 2201 7699 238669 546629 16945499