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378329760 = 253252311423
BaseRepresentation
bin10110100011001…
…101101010100000
3222100220010212100
4112203031222200
51233323023020
6101312530400
712242515134
oct2643155240
9870803770
10378329760
11184614826
12a6850a00
13604c4b83
14383633c4
1523332a90
hex168cdaa0

378329760 has 144 divisors (see below), whose sum is σ = 1347300864. Its totient is φ = 96493056.

The previous prime is 378329723. The next prime is 378329803. The reversal of 378329760 is 67923873.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27409 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (9356256).

Almost surely, 2378329760 is an apocalyptic number.

378329760 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 378329760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673650432).

378329760 is an abundant number, since it is smaller than the sum of its proper divisors (968971104).

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

378329760 is a wasteful number, since it uses less digits than its factorization.

378329760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11467 (or 11456 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 378329760 is about 19450.7007585845. The cubic root of 378329760 is about 723.2528743614.

The spelling of 378329760 in words is "three hundred seventy-eight million, three hundred twenty-nine thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 32 36 40 45 46 48 60 69 72 80 90 92 96 115 120 138 144 160 180 184 207 230 240 276 288 345 360 368 414 460 480 552 690 720 736 828 920 1035 1104 1380 1440 1656 1840 2070 2208 2760 3312 3680 4140 5520 6624 8280 11040 11423 16560 22846 33120 34269 45692 57115 68538 91384 102807 114230 137076 171345 182768 205614 228460 262729 274152 342690 365536 411228 456920 514035 525458 548304 685380 788187 822456 913840 1028070 1050916 1096608 1313645 1370760 1576374 1644912 1827680 2056140 2101832 2364561 2627290 2741520 3152748 3289824 3940935 4112280 4203664 4729122 5254580 5483040 6305496 7881870 8224560 8407328 9458244 10509160 11822805 12610992 15763740 16449120 18916488 21018320 23645610 25221984 31527480 37832976 42036640 47291220 63054960 75665952 94582440 126109920 189164880 378329760