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2420431684 = 221155009811
BaseRepresentation
bin1001000001000100…
…1101101101000100
320020200110200001221
42100101031231010
514424112303214
61040102130124
7113660221066
oct22021155504
96220420057
102420431684
1110322a8170
12576720944
132c75c06c8
1418d65b736
15e275ee24
hex9044db44

2420431684 has 12 divisors (see below), whose sum is σ = 4620824208. Its totient is φ = 1100196200.

The previous prime is 2420431649. The next prime is 2420431697. The reversal of 2420431684 is 4861340242.

It is a super-2 number, since 2×24204316842 = 11716979073822151712, which contains 22 as substring.

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, 27504862 + ... + 27504949.

It is an arithmetic number, because the mean of its divisors is an integer number (385068684).

Almost surely, 22420431684 is an apocalyptic number.

It is an amenable number.

2420431684 is a deficient number, since it is larger than the sum of its proper divisors (2200392524).

2420431684 is a wasteful number, since it uses less digits than its factorization.

2420431684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55009826 (or 55009824 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 2420431684 is about 49197.8829219307. The cubic root of 2420431684 is about 1342.6545144757.

The spelling of 2420431684 in words is "two billion, four hundred twenty million, four hundred thirty-one thousand, six hundred eighty-four".

Divisors: 1 2 4 11 22 44 55009811 110019622 220039244 605107921 1210215842 2420431684