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378231000 = 23353723183
BaseRepresentation
bin10110100010110…
…101100011011000
3222100201010101120
4112202311203120
51233311343000
6101310445240
712241624200
oct2642654330
9870633346
10378231000
11184557604
12a6803820
136048bc34
1438339400
15233136a0
hex168b58d8

378231000 has 384 divisors, whose sum is σ = 1434101760. Its totient is φ = 82656000.

The previous prime is 378230989. The next prime is 378231037. The reversal of 378231000 is 132873.

It is a super-2 number, since 2×3782310002 = 286117378722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4556959 + ... + 4557041.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2378231000 is an apocalyptic number.

378231000 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 378231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717050880).

378231000 is an abundant number, since it is smaller than the sum of its proper divisors (1055870760).

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

378231000 is a wasteful number, since it uses less digits than its factorization.

378231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 378231000 is about 19448.1618668706. The cubic root of 378231000 is about 723.1899357317.

Adding to 378231000 its reverse (132873), we get a palindrome (378363873).

The spelling of 378231000 in words is "three hundred seventy-eight million, two hundred thirty-one thousand".