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520242054 = 23316927361
BaseRepresentation
bin11111000000100…
…100001110000110
31100020221000221020
4133000210032012
52031140221204
6123342332010
715614661453
oct3700441606
91306830836
10520242054
11247732612
1212628a006
1383a21747
144d14482a
1530a15bd9
hex1f024386

520242054 has 16 divisors (see below), whose sum is σ = 1040850480. Its totient is φ = 173352960.

The previous prime is 520242029. The next prime is 520242061. The reversal of 520242054 is 450242025.

It is a happy number.

It is a super-3 number, since 3×5202420543 (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 7 ways as a sum of consecutive naturals, for example, 5334 + ... + 32694.

It is an arithmetic number, because the mean of its divisors is an integer number (65053155).

Almost surely, 2520242054 is an apocalyptic number.

520242054 is an abundant number, since it is smaller than the sum of its proper divisors (520608426).

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

520242054 is a wasteful number, since it uses less digits than its factorization.

520242054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 520242054 is about 22808.8152695400. The cubic root of 520242054 is about 804.2699057925.

Adding to 520242054 its reverse (450242025), we get a palindrome (970484079).

The spelling of 520242054 in words is "five hundred twenty million, two hundred forty-two thousand, fifty-four".

Divisors: 1 2 3 6 3169 6338 9507 19014 27361 54722 82083 164166 86707009 173414018 260121027 520242054