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402424202260 = 22520121210113
BaseRepresentation
bin1011101101100100101…
…10100000010000010100
31102110201122010121022201
411312302112200100110
523043131043433020
6504512055134244
741034306165043
oct5666226402024
91373648117281
10402424202260
11145737a75443
1265bab074384
132bc4394c052
141569812255a
15a704650a0a
hex5db25a0414

402424202260 has 12 divisors (see below), whose sum is σ = 845090824788. Its totient is φ = 160969680896.

The previous prime is 402424202237. The next prime is 402424202261. The reversal of 402424202260 is 62202424204.

It can be written as a sum of positive squares in 2 ways, for example, as 121848468624 + 280575733636 = 349068^2 + 529694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402424202261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060605037 + ... + 10060605076.

It is an arithmetic number, because the mean of its divisors is an integer number (70424235399).

Almost surely, 2402424202260 is an apocalyptic number.

It is an amenable number.

402424202260 is an abundant number, since it is smaller than the sum of its proper divisors (442666622528).

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

402424202260 is a wasteful number, since it uses less digits than its factorization.

402424202260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121210122 (or 20121210120 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402424202260 its reverse (62202424204), we get a palindrome (464626626464).

The spelling of 402424202260 in words is "four hundred two billion, four hundred twenty-four million, two hundred two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 20121210113 40242420226 80484840452 100606050565 201212101130 402424202260