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2208042420 = 223536800707
BaseRepresentation
bin1000001110011100…
…0000110110110100
312200212211011202220
42003213000312310
514010224324140
61003034002340
7105501023313
oct20347006664
95625734686
102208042420
11a33422a51
125175763b0
132925b919c
1416d37227a
15cdca9bd0
hex839c0db4

2208042420 has 24 divisors (see below), whose sum is σ = 6182518944. Its totient is φ = 588811296.

The previous prime is 2208042409. The next prime is 2208042493. The reversal of 2208042420 is 242408022.

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, 18400294 + ... + 18400413.

It is an arithmetic number, because the mean of its divisors is an integer number (257604956).

Almost surely, 22208042420 is an apocalyptic number.

2208042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2208042420 is an abundant number, since it is smaller than the sum of its proper divisors (3974476524).

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

2208042420 is a wasteful number, since it uses less digits than its factorization.

2208042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36800719 (or 36800717 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2208042420 is about 46989.8118744904. The cubic root of 2208042420 is about 1302.1743533042.

The spelling of 2208042420 in words is "two billion, two hundred eight million, forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 36800707 73601414 110402121 147202828 184003535 220804242 368007070 441608484 552010605 736014140 1104021210 2208042420