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2420434040 = 23560510851
BaseRepresentation
bin1001000001000100…
…1110010001111000
320020200110210022012
42100101032101320
514424112342130
61040102145052
7113660231003
oct22021162170
96220423265
102420434040
1110322a9a12
12576722188
132c75c17bb
1418d65c53a
15e2760995
hex9044e478

2420434040 has 16 divisors (see below), whose sum is σ = 5445976680. Its totient is φ = 968173600.

The previous prime is 2420433979. The next prime is 2420434087. The reversal of 2420434040 is 404340242.

It is a junction number, because it is equal to n+sod(n) for n = 2420433997 and 2420434015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30255386 + ... + 30255465.

Almost surely, 22420434040 is an apocalyptic number.

2420434040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420434040 is an abundant number, since it is smaller than the sum of its proper divisors (3025542640).

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

2420434040 is a wasteful number, since it uses less digits than its factorization.

2420434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60510862 (or 60510858 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2420434040 is about 49197.9068660446. The cubic root of 2420434040 is about 1342.6549501133.

Adding to 2420434040 its reverse (404340242), we get a palindrome (2824774282).

The spelling of 2420434040 in words is "two billion, four hundred twenty million, four hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 60510851 121021702 242043404 302554255 484086808 605108510 1210217020 2420434040