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378243152 = 24723179197
BaseRepresentation
bin10110100010111…
…000100001010000
3222100201202001122
4112202320201100
51233312240102
6101311021412
712242004500
oct2642704120
9870652048
10378243152
11184565751
12a680a868
1360494621
143833da00
15233170a2
hex168b8850

378243152 has 120 divisors (see below), whose sum is σ = 895656960. Its totient is φ = 154103040.

The previous prime is 378243097. The next prime is 378243161. The reversal of 378243152 is 251342873.

It is a super-3 number, since 3×3782431523 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1919918 + ... + 1920114.

It is an arithmetic number, because the mean of its divisors is an integer number (7463808).

Almost surely, 2378243152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378243152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447828480).

378243152 is an abundant number, since it is smaller than the sum of its proper divisors (517413808).

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

378243152 is a wasteful number, since it uses less digits than its factorization.

378243152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 316 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 378243152 is about 19448.4742846322. The cubic root of 378243152 is about 723.1976806547.

The spelling of 378243152 in words is "three hundred seventy-eight million, two hundred forty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 31 49 56 62 79 98 112 124 158 196 197 217 248 316 392 394 434 496 553 632 784 788 868 1106 1264 1379 1519 1576 1736 2212 2449 2758 3038 3152 3472 3871 4424 4898 5516 6076 6107 7742 8848 9653 9796 11032 12152 12214 15484 15563 17143 19306 19592 22064 24304 24428 30968 31126 34286 38612 39184 42749 48856 61936 62252 68572 77224 85498 97712 108941 120001 124504 137144 154448 170996 217882 240002 249008 274288 299243 341992 435764 480004 482453 598486 683984 762587 871528 960008 964906 1196972 1525174 1743056 1920016 1929812 2393944 3050348 3377171 3859624 4787888 6100696 6754342 7719248 12201392 13508684 23640197 27017368 47280394 54034736 94560788 189121576 378243152