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378793040 = 24546710139
BaseRepresentation
bin10110100100111…
…110110001010000
3222101202200100212
4112210332301100
51233432334130
6101330503252
712246454613
oct2644766120
9871680325
10378793040
111849008aa
12a6a34b28
13606279c2
143844417a
15233c4e95
hex1693ec50

378793040 has 40 divisors (see below), whose sum is σ = 882666720. Its totient is φ = 151177856.

The previous prime is 378793033. The next prime is 378793043. The reversal of 378793040 is 40397873.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378793043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32291 + ... + 42429.

It is an arithmetic number, because the mean of its divisors is an integer number (22066668).

Almost surely, 2378793040 is an apocalyptic number.

It is an amenable number.

378793040 is an abundant number, since it is smaller than the sum of its proper divisors (503873680).

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

378793040 is a wasteful number, since it uses less digits than its factorization.

378793040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619 (or 10613 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 378793040 is about 19462.6061975266. The cubic root of 378793040 is about 723.5479713479.

The spelling of 378793040 in words is "three hundred seventy-eight million, seven hundred ninety-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 467 934 1868 2335 3736 4670 7472 9340 10139 18680 20278 37360 40556 50695 81112 101390 162224 202780 405560 811120 4734913 9469826 18939652 23674565 37879304 47349130 75758608 94698260 189396520 378793040