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540777144 = 233311076793
BaseRepresentation
bin100000001110111…
…001101010111000
31101200120022210010
4200032321222320
52101414332034
6125354421520
716254346515
oct4016715270
91350508703
10540777144
11258288966
121311318a0
138806159b
1451b6c30c
15327203e9
hex203b9ab8

540777144 has 64 divisors (see below), whose sum is σ = 1408803840. Its totient is φ = 172788480.

The previous prime is 540777071. The next prime is 540777151. The reversal of 540777144 is 441777045.

It is a super-3 number, since 3×5407771443 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

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, 76212 + ... + 83004.

It is an arithmetic number, because the mean of its divisors is an integer number (22012560).

Almost surely, 2540777144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540777144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704401920).

540777144 is an abundant number, since it is smaller than the sum of its proper divisors (868026696).

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

540777144 is a wasteful number, since it uses less digits than its factorization.

540777144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940 (or 6936 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 39.

The square root of 540777144 is about 23254.6155418661. The cubic root of 540777144 is about 814.7157446469.

Subtracting from 540777144 its reverse (441777045), we obtain a palindrome (99000099).

The spelling of 540777144 in words is "five hundred forty million, seven hundred seventy-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 107 124 186 214 248 321 372 428 642 744 856 1284 2568 3317 6634 6793 9951 13268 13586 19902 20379 26536 27172 39804 40758 54344 79608 81516 163032 210583 421166 631749 726851 842332 1263498 1453702 1684664 2180553 2526996 2907404 4361106 5053992 5814808 8722212 17444424 22532381 45064762 67597143 90129524 135194286 180259048 270388572 540777144