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16930969 = 119071697
BaseRepresentation
bin100000010010…
…1100010011001
31011212011220221
41000211202121
513313242334
61402520041
7263624266
oct100454231
934764827
1016930969
119614540
125806021
13367a533
14236a26d
1517468b4
hex1025899

16930969 has 8 divisors (see below), whose sum is σ = 18501408. Its totient is φ = 15365760.

The previous prime is 16930943. The next prime is 16930993. The reversal of 16930969 is 96903961.

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 16930969 - 29 = 16930457 is a prime.

It is a super-2 number, since 2×169309692 = 573315422557922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16930469) 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, 9129 + ... + 10825.

It is an arithmetic number, because the mean of its divisors is an integer number (2312676).

Almost surely, 216930969 is an apocalyptic number.

It is an amenable number.

16930969 is a deficient number, since it is larger than the sum of its proper divisors (1570439).

16930969 is a wasteful number, since it uses less digits than its factorization.

16930969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 16930969 is about 4114.7258717927. The cubic root of 16930969 is about 256.7796513494.

The spelling of 16930969 in words is "sixteen million, nine hundred thirty thousand, nine hundred sixty-nine".

Divisors: 1 11 907 1697 9977 18667 1539179 16930969