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2108078448 = 243713945137
BaseRepresentation
bin111110110100110…
…1011100101110000
312102220201110222120
41331221223211300
513304132002243
6545103234240
7103145241210
oct17551534560
95386643876
102108078448
11991a565a3
124a9ba8980
13277988bc8
1415dd90240
15c5110c83
hex7da6b970

2108078448 has 80 divisors (see below), whose sum is σ = 6268765440. Its totient is φ = 597961728.

The previous prime is 2108078417. The next prime is 2108078459. The reversal of 2108078448 is 8448708012.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 24136 + ... + 69272.

It is an arithmetic number, because the mean of its divisors is an integer number (78359568).

Almost surely, 22108078448 is an apocalyptic number.

2108078448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108078448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3134382720).

2108078448 is an abundant number, since it is smaller than the sum of its proper divisors (4160686992).

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

2108078448 is a wasteful number, since it uses less digits than its factorization.

2108078448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45294 (or 45288 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 2108078448 is about 45913.8154371862. The cubic root of 2108078448 is about 1282.2191419763.

The spelling of 2108078448 in words is "two billion, one hundred eight million, seventy-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 139 168 278 336 417 556 834 973 1112 1668 1946 2224 2919 3336 3892 5838 6672 7784 11676 15568 23352 45137 46704 90274 135411 180548 270822 315959 361096 541644 631918 722192 947877 1083288 1263836 1895754 2166576 2527672 3791508 5055344 6274043 7583016 12548086 15166032 18822129 25096172 37644258 43918301 50192344 75288516 87836602 100384688 131754903 150577032 175673204 263509806 301154064 351346408 527019612 702692816 1054039224 2108078448