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16980835 = 517918973
BaseRepresentation
bin100000011000…
…1101101100011
31011221201022211
41000301231203
513321341320
61403542551
7264222544
oct100615543
934851284
1016980835
119648a53
12582aa57
133697141
1423804cb
15175655a
hex1031b63

16980835 has 8 divisors (see below), whose sum is σ = 20491920. Its totient is φ = 13508064.

The previous prime is 16980833. The next prime is 16980853. The reversal of 16980835 is 53808961.

It is a happy number.

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 16980835 - 21 = 16980833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16980833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8592 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (2561490).

Almost surely, 216980835 is an apocalyptic number.

16980835 is a deficient number, since it is larger than the sum of its proper divisors (3511085).

16980835 is a wasteful number, since it uses less digits than its factorization.

16980835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19157.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 16980835 is about 4120.7808726017. The cubic root of 16980835 is about 257.0314980042.

The spelling of 16980835 in words is "sixteen million, nine hundred eighty thousand, eight hundred thirty-five".

Divisors: 1 5 179 895 18973 94865 3396167 16980835