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378705120 = 25352334303
BaseRepresentation
bin10110100100101…
…001010011100000
3222101121012202120
4112210221103200
51233422030440
6101324544240
712245640363
oct2644512340
9871535676
10378705120
11184850842
12a69b2080
13605c6991
14384200da
15233a8dd0
hex169294e0

378705120 has 96 divisors (see below), whose sum is σ = 1244823552. Its totient is φ = 96594432.

The previous prime is 378705091. The next prime is 378705161. The reversal of 378705120 is 21507873.

It is a tau number, because it is divible by the number of its divisors (96).

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, 6112 + ... + 28191.

It is an arithmetic number, because the mean of its divisors is an integer number (12966912).

Almost surely, 2378705120 is an apocalyptic number.

378705120 is a gapful number since it is divisible by the number (30) 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 378705120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622411776).

378705120 is an abundant number, since it is smaller than the sum of its proper divisors (866118432).

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

378705120 is a wasteful number, since it uses less digits than its factorization.

378705120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34344 (or 34336 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 378705120 is about 19460.3473761390. The cubic root of 378705120 is about 723.4919871619.

The spelling of 378705120 in words is "three hundred seventy-eight million, seven hundred five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2760 3680 5520 11040 34303 68606 102909 137212 171515 205818 274424 343030 411636 514545 548848 686060 788969 823272 1029090 1097696 1372120 1577938 1646544 2058180 2366907 2744240 3155876 3293088 3944845 4116360 4733814 5488480 6311752 7889690 8232720 9467628 11834535 12623504 15779380 16465440 18935256 23669070 25247008 31558760 37870512 47338140 63117520 75741024 94676280 126235040 189352560 378705120