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542311530 = 23518077051
BaseRepresentation
bin100000010100110…
…000010001101010
31101210110021120020
4200110300101222
52102312432110
6125451341310
716303400115
oct4024602152
91353407506
10542311530
11259136752
12131751836
138847aac7
145204b57c
1532924d70
hex2053046a

542311530 has 16 divisors (see below), whose sum is σ = 1301547744. Its totient is φ = 144616400.

The previous prime is 542311519. The next prime is 542311559. The reversal of 542311530 is 35113245.

It is a self number, because there is not a number n which added to its sum of digits gives 542311530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9038496 + ... + 9038555.

It is an arithmetic number, because the mean of its divisors is an integer number (81346734).

Almost surely, 2542311530 is an apocalyptic number.

542311530 is an abundant number, since it is smaller than the sum of its proper divisors (759236214).

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

542311530 is a wasteful number, since it uses less digits than its factorization.

542311530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18077061.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 542311530 is about 23287.5831721542. The cubic root of 542311530 is about 815.4855675981.

Adding to 542311530 its reverse (35113245), we get a palindrome (577424775).

The spelling of 542311530 in words is "five hundred forty-two million, three hundred eleven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 18077051 36154102 54231153 90385255 108462306 180770510 271155765 542311530