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378743974 = 27157172313
BaseRepresentation
bin10110100100110…
…010110010100110
3222101200012001121
4112210302302212
51233424301344
6101325444154
712246161560
oct2644626246
9871605047
10378743974
11184877a54
12a6a1065a
136060b57b
1438430330
15233b5684
hex16932ca6

378743974 has 16 divisors (see below), whose sum is σ = 653414688. Its totient is φ = 161284032.

The previous prime is 378743927. The next prime is 378743999. The reversal of 378743974 is 479347873.

378743974 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83959 + ... + 88354.

It is an arithmetic number, because the mean of its divisors is an integer number (40838418).

Almost surely, 2378743974 is an apocalyptic number.

378743974 is a deficient number, since it is larger than the sum of its proper divisors (274670714).

378743974 is a wasteful number, since it uses less digits than its factorization.

378743974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172479.

The product of its digits is 3556224, while the sum is 52.

The square root of 378743974 is about 19461.3456369286. The cubic root of 378743974 is about 723.5167290124.

The spelling of 378743974 in words is "three hundred seventy-eight million, seven hundred forty-three thousand, nine hundred seventy-four".

Divisors: 1 2 7 14 157 314 1099 2198 172313 344626 1206191 2412382 27053141 54106282 189371987 378743974