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14928890 = 2517137641
BaseRepresentation
bin111000111100…
…101111111010
31001002110120212
4320330233322
512310211030
61251551122
7240615314
oct70745772
931073525
1014928890
118477329
124bbb4a2
133129182
141da87b4
15149d595
hexe3cbfa

14928890 has 32 divisors (see below), whose sum is σ = 28705104. Its totient is φ = 5570560.

The previous prime is 14928847. The next prime is 14928913. The reversal of 14928890 is 9882941.

It can be written as a sum of positive squares in 8 ways, for example, as 12327121 + 2601769 = 3511^2 + 1613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22970 + ... + 23610.

Almost surely, 214928890 is an apocalyptic number.

14928890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14928890 is a deficient number, since it is larger than the sum of its proper divisors (13776214).

14928890 is a wasteful number, since it uses less digits than its factorization.

14928890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 14928890 is about 3863.7921786763. The cubic root of 14928890 is about 246.2308736551.

The spelling of 14928890 in words is "fourteen million, nine hundred twenty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 17 34 85 137 170 274 641 685 1282 1370 2329 3205 4658 6410 10897 11645 21794 23290 54485 87817 108970 175634 439085 878170 1492889 2985778 7464445 14928890