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541456840 = 23513536421
BaseRepresentation
bin100000010001011…
…111100111001000
31101201211212011001
4200101133213020
52102103104330
6125421144344
716263210241
oct4021374710
91351755131
10541456840
112587025a1
121313bb0b4
138823ba82
1451ca7cc8
15328069ca
hex2045f9c8

541456840 has 16 divisors (see below), whose sum is σ = 1218277980. Its totient is φ = 216582720.

The previous prime is 541456837. The next prime is 541456879. The reversal of 541456840 is 48654145.

It can be written as a sum of positive squares in 2 ways, for example, as 482505156 + 58951684 = 21966^2 + 7678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 541456840.

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 3 ways as a sum of consecutive naturals, for example, 6768171 + ... + 6768250.

Almost surely, 2541456840 is an apocalyptic number.

It is an amenable number.

541456840 is an abundant number, since it is smaller than the sum of its proper divisors (676821140).

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

541456840 is a wasteful number, since it uses less digits than its factorization.

541456840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536432 (or 13536428 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 541456840 is about 23269.2251697387. The cubic root of 541456840 is about 815.0569370688.

The spelling of 541456840 in words is "five hundred forty-one million, four hundred fifty-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 13536421 27072842 54145684 67682105 108291368 135364210 270728420 541456840