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378386286 = 2363064381
BaseRepresentation
bin10110100011011…
…011011101101110
3222101000000101220
4112203123131232
51233331330121
6101314044210
712243142005
oct2643333556
9871000356
10378386286
11184653243
12a6879666
1360514815
1438379c3c
15233446c6
hex168db76e

378386286 has 8 divisors (see below), whose sum is σ = 756772584. Its totient is φ = 126128760.

The previous prime is 378386269. The next prime is 378386297. The reversal of 378386286 is 682683873.

It is a sphenic number, since it is the product of 3 distinct primes.

378386286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31532185 + ... + 31532196.

It is an arithmetic number, because the mean of its divisors is an integer number (94596573).

Almost surely, 2378386286 is an apocalyptic number.

378386286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

378386286 is a wasteful number, since it uses less digits than its factorization.

378386286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63064386.

The product of its digits is 2322432, while the sum is 51.

The square root of 378386286 is about 19452.1537625015. The cubic root of 378386286 is about 723.2888928127.

The spelling of 378386286 in words is "three hundred seventy-eight million, three hundred eighty-six thousand, two hundred eighty-six".

Divisors: 1 2 3 6 63064381 126128762 189193143 378386286