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540026305 = 57213169553
BaseRepresentation
bin100000001100000…
…010010111000001
31101122011011211021
4200030002113001
52101221320210
6125330345441
716245101500
oct4014022701
91348134737
10540026305
11257915835
12130a2b281
1387b5a8c0
1451a14837
1532622bda
hex203025c1

540026305 has 24 divisors (see below), whose sum is σ = 811824552. Its totient is φ = 341816832.

The previous prime is 540026273. The next prime is 540026329. The reversal of 540026305 is 503620045.

It can be written as a sum of positive squares in 4 ways, for example, as 254016 + 539772289 = 504^2 + 23233^2 .

It is not a de Polignac number, because 540026305 - 25 = 540026273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540026305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81592 + ... + 87961.

It is an arithmetic number, because the mean of its divisors is an integer number (33826023).

Almost surely, 2540026305 is an apocalyptic number.

It is an amenable number.

540026305 is a deficient number, since it is larger than the sum of its proper divisors (271798247).

540026305 is a wasteful number, since it uses less digits than its factorization.

540026305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169585 (or 169578 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540026305 is about 23238.4660638348. The cubic root of 540026305 is about 814.3385074963.

The spelling of 540026305 in words is "five hundred forty million, twenty-six thousand, three hundred five".

Divisors: 1 5 7 13 35 49 65 91 245 455 637 3185 169553 847765 1186871 2204189 5934355 8308097 11020945 15429323 41540485 77146615 108005261 540026305