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378463836 = 22331538653
BaseRepresentation
bin10110100011101…
…110011001011100
3222101010221210010
4112203232121130
51233341320321
6101315443220
712243614052
oct2643563134
9871127703
10378463836
111846a6533
12a68b6510
1360540bca
143839a1d2
152335c676
hex168ee65c

378463836 has 12 divisors (see below), whose sum is σ = 883082312. Its totient is φ = 126154608.

The previous prime is 378463823. The next prime is 378463837. The reversal of 378463836 is 638364873.

378463836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378463837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15769315 + ... + 15769338.

Almost surely, 2378463836 is an apocalyptic number.

It is an amenable number.

378463836 is an abundant number, since it is smaller than the sum of its proper divisors (504618476).

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

378463836 is a wasteful number, since it uses less digits than its factorization.

378463836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31538660 (or 31538658 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The square root of 378463836 is about 19454.1470129122. The cubic root of 378463836 is about 723.3383019519.

The spelling of 378463836 in words is "three hundred seventy-eight million, four hundred sixty-three thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 31538653 63077306 94615959 126154612 189231918 378463836