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2108874420 = 223353905323
BaseRepresentation
bin111110110110010…
…1101111010110100
312102222012220212000
41331230231322310
513304332440140
6545132255300
7103155064632
oct17554557264
95388186760
102108874420
1199244a624
124aa311530
13277ba72b3
1416011a352
15c521ba30
hex7db2deb4

2108874420 has 48 divisors (see below), whose sum is σ = 6560944320. Its totient is φ = 562366368.

The previous prime is 2108874407. The next prime is 2108874457. The reversal of 2108874420 is 244788012.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1952122 + ... + 1953201.

It is an arithmetic number, because the mean of its divisors is an integer number (136686340).

Almost surely, 22108874420 is an apocalyptic number.

2108874420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108874420 is an abundant number, since it is smaller than the sum of its proper divisors (4452069900).

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

2108874420 is a wasteful number, since it uses less digits than its factorization.

2108874420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905341 (or 3905333 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 2108874420 is about 45922.4827290511. The cubic root of 2108874420 is about 1282.3805025284.

The spelling of 2108874420 in words is "two billion, one hundred eight million, eight hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 3905323 7810646 11715969 15621292 19526615 23431938 35147907 39053230 46863876 58579845 70295814 78106460 105443721 117159690 140591628 175739535 210887442 234319380 351479070 421774884 527218605 702958140 1054437210 2108874420