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378068946 = 23974211543
BaseRepresentation
bin10110100010001…
…101111111010010
3222100101220002120
4112202031333102
51233241201241
6101303155110
712240350553
oct2642157722
9870356076
10378068946
11184456882
12a6745a96
1360433248
14382d632a
15232d0666
hex1688dfd2

378068946 has 32 divisors (see below), whose sum is σ = 766243968. Its totient is φ = 124346880.

The previous prime is 378068941. The next prime is 378068947. The reversal of 378068946 is 649860873.

It is a super-2 number, since 2×3780689462 = 285872255859101832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378068941) 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, 244251 + ... + 245793.

It is an arithmetic number, because the mean of its divisors is an integer number (23945124).

Almost surely, 2378068946 is an apocalyptic number.

378068946 is an abundant number, since it is smaller than the sum of its proper divisors (388175022).

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

378068946 is a wasteful number, since it uses less digits than its factorization.

378068946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 378068946 is about 19443.9951141734. The cubic root of 378068946 is about 723.0866368099.

The spelling of 378068946 in words is "three hundred seventy-eight million, sixty-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 97 194 291 421 582 842 1263 1543 2526 3086 4629 9258 40837 81674 122511 149671 245022 299342 449013 649603 898026 1299206 1948809 3897618 63011491 126022982 189034473 378068946