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16879490 = 251687949
BaseRepresentation
bin100000001100…
…0111110000010
31011202120022022
41000120332002
513310120430
61401441442
7263321225
oct100307602
934676268
1016879490
1195898a1
1257a0282
13365cc84
1423555bc
1517364e5
hex1018f82

16879490 has 8 divisors (see below), whose sum is σ = 30383100. Its totient is φ = 6751792.

The previous prime is 16879477. The next prime is 16879507. The reversal of 16879490 is 9497861.

It can be written as a sum of positive squares in 2 ways, for example, as 15816529 + 1062961 = 3977^2 + 1031^2 .

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

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843965 + ... + 843984.

Almost surely, 216879490 is an apocalyptic number.

16879490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16879490 is a deficient number, since it is larger than the sum of its proper divisors (13503610).

16879490 is a wasteful number, since it uses less digits than its factorization.

16879490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687956.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 16879490 is about 4108.4656503371. The cubic root of 16879490 is about 256.5191389975.

The spelling of 16879490 in words is "sixteen million, eight hundred seventy-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 1687949 3375898 8439745 16879490