Search a number
-
+
2420420404 = 224114758661
BaseRepresentation
bin1001000001000100…
…1010111100110100
320020200110002121011
42100101022330310
514424111423104
61040102002004
7113660143153
oct22021127464
96220402534
102420420404
11103229a746
12576716304
132c75b852c
1418d65759a
15e275b904
hex9044af34

2420420404 has 12 divisors (see below), whose sum is σ = 4339046628. Its totient is φ = 1180692800.

The previous prime is 2420420351. The next prime is 2420420437. The reversal of 2420420404 is 4040240242.

It can be written as a sum of positive squares in 2 ways, for example, as 812250000 + 1608170404 = 28500^2 + 40102^2 .

It is a congruent number.

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, 7379167 + ... + 7379494.

It is an arithmetic number, because the mean of its divisors is an integer number (361587219).

Almost surely, 22420420404 is an apocalyptic number.

It is an amenable number.

2420420404 is a deficient number, since it is larger than the sum of its proper divisors (1918626224).

2420420404 is a wasteful number, since it uses less digits than its factorization.

2420420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14758706 (or 14758704 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2420420404 is about 49197.7682827179. The cubic root of 2420420404 is about 1342.6524287367.

Adding to 2420420404 its reverse (4040240242), we get a palindrome (6460660646).

The spelling of 2420420404 in words is "two billion, four hundred twenty million, four hundred twenty thousand, four hundred four".

Divisors: 1 2 4 41 82 164 14758661 29517322 59034644 605105101 1210210202 2420420404