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540069690 = 23519194253
BaseRepresentation
bin100000001100001…
…100111100111010
31101122020101100010
4200030030330322
52101224212230
6125331322350
716245342126
oct4014147472
91348211303
10540069690
11257945396
12130a503b6
1387b74584
1451a26586
15326309b0
hex2030cf3a

540069690 has 32 divisors (see below), whose sum is σ = 1302967296. Its totient is φ = 143263040.

The previous prime is 540069689. The next prime is 540069701. The reversal of 540069690 is 96960045.

It is a super-2 number, since 2×5400696902 = 583350540113392200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41397 + ... + 52856.

It is an arithmetic number, because the mean of its divisors is an integer number (40717728).

Almost surely, 2540069690 is an apocalyptic number.

540069690 is an abundant number, since it is smaller than the sum of its proper divisors (762897606).

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

540069690 is a wasteful number, since it uses less digits than its factorization.

540069690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94454.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 540069690 is about 23239.3995189204. The cubic root of 540069690 is about 814.3603145389.

The spelling of 540069690 in words is "five hundred forty million, sixty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 955 1146 1910 2865 5730 94253 188506 282759 471265 565518 942530 1413795 2827590 18002323 36004646 54006969 90011615 108013938 180023230 270034845 540069690