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14979690 = 23251115131
BaseRepresentation
bin111001001001…
…001001101010
31001012001021100
4321021021222
512313322230
61253022230
7241216365
oct71111152
931161240
1014979690
118501510
125024976
13314632b
141dbd0dc
1514ad660
hexe4926a

14979690 has 48 divisors (see below), whose sum is σ = 42490656. Its totient is φ = 3631200.

The previous prime is 14979677. The next prime is 14979721. The reversal of 14979690 is 9697941.

It is a super-2 number, since 2×149796902 = 448782224992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6576 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (885222).

Almost surely, 214979690 is an apocalyptic number.

14979690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14979690 is an abundant number, since it is smaller than the sum of its proper divisors (27510966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14979690 is a wasteful number, since it uses less digits than its factorization.

14979690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155 (or 15152 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 14979690 is about 3870.3604483304. The cubic root of 14979690 is about 246.5098487864.

The spelling of 14979690 in words is "fourteen million, nine hundred seventy-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 15131 30262 45393 75655 90786 136179 151310 166441 226965 272358 332882 453930 499323 680895 832205 998646 1361790 1497969 1664410 2496615 2995938 4993230 7489845 14979690