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378877000 = 23532231699
BaseRepresentation
bin10110100101010…
…011010001001000
3222101220221112111
4112211103101020
51233443031000
6101332352104
712250254445
oct2645232110
9871827474
10378877000
11184958997
12a6a75634
1360656c98
14384669cc
15233decba
hex16953448

378877000 has 64 divisors (see below), whose sum is σ = 891072000. Its totient is φ = 150782400.

The previous prime is 378876997. The next prime is 378877001. The reversal of 378877000 is 778873.

It is a super-2 number, since 2×3788770002 = 287095562258000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (378877001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222151 + ... + 223849.

It is an arithmetic number, because the mean of its divisors is an integer number (13923000).

Almost surely, 2378877000 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 378877000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445536000).

378877000 is an abundant number, since it is smaller than the sum of its proper divisors (512195000).

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

378877000 is a wasteful number, since it uses less digits than its factorization.

378877000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 378877000 is about 19464.7630347765. The cubic root of 378877000 is about 723.6014258674.

The spelling of 378877000 in words is "three hundred seventy-eight million, eight hundred seventy-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 223 250 446 500 892 1000 1115 1699 1784 2230 3398 4460 5575 6796 8495 8920 11150 13592 16990 22300 27875 33980 42475 44600 55750 67960 84950 111500 169900 212375 223000 339800 378877 424750 757754 849500 1515508 1699000 1894385 3031016 3788770 7577540 9471925 15155080 18943850 37887700 47359625 75775400 94719250 189438500 378877000