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16468990 = 251646899
BaseRepresentation
bin111110110100…
…101111111110
31010222201012121
4332310233332
513204001430
61344553154
7256661356
oct76645776
933881177
1016468990
11932943a
1256227ba
133548185
142289b66
1516a4a7a
hexfb4bfe

16468990 has 8 divisors (see below), whose sum is σ = 29644200. Its totient is φ = 6587592.

The previous prime is 16468939. The next prime is 16468997. The reversal of 16468990 is 9986461.

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

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16468997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823440 + ... + 823459.

It is an arithmetic number, because the mean of its divisors is an integer number (3705525).

Almost surely, 216468990 is an apocalyptic number.

16468990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16468990 is a deficient number, since it is larger than the sum of its proper divisors (13175210).

16468990 is a wasteful number, since it uses less digits than its factorization.

16468990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646906.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 16468990 is about 4058.2003400522. The cubic root of 16468990 is about 254.4225817376.

The spelling of 16468990 in words is "sixteen million, four hundred sixty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 1646899 3293798 8234495 16468990