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16849481 = 116125111
BaseRepresentation
bin100000001000…
…1101001001001
31011201001010212
41000101221021
513303140411
61401050505
7263134565
oct100215111
934631125
1016849481
1195692a0
125786a35
13364c40c
1423486a5
15172c68b
hex1011a49

16849481 has 8 divisors (see below), whose sum is σ = 18683328. Its totient is φ = 15066000.

The previous prime is 16849457. The next prime is 16849487. The reversal of 16849481 is 18494861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16849481 is a prime.

It is a super-2 number, since 2×168494812 = 567810019938722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16849487) 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, 11885 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (2335416).

Almost surely, 216849481 is an apocalyptic number.

16849481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16849481 is a deficient number, since it is larger than the sum of its proper divisors (1833847).

16849481 is a wasteful number, since it uses less digits than its factorization.

16849481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25183.

The product of its digits is 55296, while the sum is 41.

The square root of 16849481 is about 4104.8119323545. The cubic root of 16849481 is about 256.3670323241.

The spelling of 16849481 in words is "sixteen million, eight hundred forty-nine thousand, four hundred eighty-one".

Divisors: 1 11 61 671 25111 276221 1531771 16849481